{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-03-07T00:00:00", "descriptions": [{"lang": "en", "value": "ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-11-24T19:07:04", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "RHSA-2016:2590", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2590.html"}, {"name": "1035196", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1035196"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://kb.isc.org/article/AA-01354"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"}, {"name": "FEDORA-2016-821f013cb1", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html"}, {"name": "USN-3586-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3586-1/"}, {"name": "openSUSE-SU-2016:1843", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html"}, {"name": "FEDORA-2016-c93d49faf3", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html"}, {"name": "84208", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/84208"}, {"name": "[debian-lts-announce] 20191124 [SECURITY] [DLA 2003-1] isc-dhcp security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-2774", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "RHSA-2016:2590", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2016-2590.html"}, {"name": "1035196", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1035196"}, {"name": "https://kb.isc.org/article/AA-01354", "refsource": "CONFIRM", "url": "https://kb.isc.org/article/AA-01354"}, {"name": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"}, {"name": "FEDORA-2016-821f013cb1", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html"}, {"name": "USN-3586-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3586-1/"}, {"name": "openSUSE-SU-2016:1843", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html"}, {"name": "FEDORA-2016-c93d49faf3", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html"}, {"name": "84208", "refsource": "BID", "url": "http://www.securityfocus.com/bid/84208"}, {"name": "[debian-lts-announce] 20191124 [SECURITY] [DLA 2003-1] isc-dhcp security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T23:32:20.980Z"}, "title": "CVE Program Container", "references": [{"name": "RHSA-2016:2590", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2590.html"}, {"name": "1035196", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1035196"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kb.isc.org/article/AA-01354"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"}, {"name": "FEDORA-2016-821f013cb1", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html"}, {"name": "USN-3586-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3586-1/"}, {"name": "openSUSE-SU-2016:1843", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html"}, {"name": "FEDORA-2016-c93d49faf3", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html"}, {"name": "84208", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/84208"}, {"name": "[debian-lts-announce] 20191124 [SECURITY] [DLA 2003-1] isc-dhcp security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-2774", "datePublished": "2016-03-09T15:26:00", "dateReserved": "2016-02-26T00:00:00", "dateUpdated": "2024-08-05T23:32:20.980Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*", "matchCriteriaId": "F27D0660-2F07-430B-A651-5D0B6AA763C0", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*", "matchCriteriaId": "FBAABA4E-0D34-4644-AC26-E272CEE6C361", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:*", "matchCriteriaId": "179443DC-4B6A-408A-8BE5-B3E72188F43E", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:*", "matchCriteriaId": "C9BE7736-58CD-468B-84AB-B38C9B254BA6", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:*", "matchCriteriaId": "40B21FCB-43A8-4266-934D-ECFF8138F637", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:*", "matchCriteriaId": "69D49F23-9074-49E7-985F-4D93393324CD", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:*", "matchCriteriaId": "3F729D1D-7234-4BC2-839B-AE1BB9D16C25", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:*", "matchCriteriaId": "FBA64EEC-C0C7-4F11-8131-2868691E54DB", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:*", "matchCriteriaId": "157520D7-AE39-4E23-A8CF-DD75EA78C055", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*", "matchCriteriaId": "A5E2FFC7-6E73-463E-846C-C403E41A2022", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*", "matchCriteriaId": "E9D08285-745D-40AB-9A78-F467712CDA5A", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*", "matchCriteriaId": "1D115F1F-1A3A-4924-AF10-723B3BB0CBB9", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*", "matchCriteriaId": "79F235F0-AD16-4E5B-AB60-97F0BB86AEB6", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*", "matchCriteriaId": "E84D5E5B-0336-4166-AAAC-49375E3AF971", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*", "matchCriteriaId": "09561C97-563C-4DDC-9EE4-E83EFFD467D6", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*", "matchCriteriaId": "519CF0CC-FB12-4C68-88A0-E0E15738C620", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*", "matchCriteriaId": "80EB131E-32E5-458F-8DDA-48835D2D883F", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:*", "matchCriteriaId": "65E0296F-3522-4B43-AF34-CFE1AE7EEC1E", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:*", "matchCriteriaId": "69F6E619-A52B-4A60-8247-41ADD0E7D655", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:*", "matchCriteriaId": "AA48EBAA-10B7-43D6-9A27-99F2578DF7F6", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:*", "matchCriteriaId": "20040BB3-F157-4505-BB60-0D919A7D1436", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:*", "matchCriteriaId": "974A8587-8351-490A-82D9-B541862CA4C7", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:*", "matchCriteriaId": "7DABD43E-818A-4B21-B4E7-753056D4A184", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:*", "matchCriteriaId": "EE991D0E-2E2D-4844-9BBD-235D8BC5FB7A", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:*", "matchCriteriaId": "975EF88C-988F-40A6-B7D1-D27439144CC2", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*", "matchCriteriaId": "3120B566-2BB6-4A1F-9ED7-E099E2870919", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:*", "matchCriteriaId": "78214BCE-9739-40B9-A32E-89C16F7195DC", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:*", "matchCriteriaId": "40C764F4-8FAD-477E-92E5-79D234673478", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:*", "matchCriteriaId": "36045DDB-48C6-48CA-AAAF-A3487EF7A537", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.0:b1:*:*:*:*:*:*", "matchCriteriaId": "ECA81B95-97B7-4A56-A448-6E5DB6FA5F76", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:*", "matchCriteriaId": "A91F4FD9-1797-4B9C-AFB8-EC6445119DA4", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:*", "matchCriteriaId": "4479C934-BF9A-428F-AD22-41C45B70C546", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:*", "matchCriteriaId": "11EE9507-6827-4CFF-B3B4-9DC4DE3E0B1C", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:*", "matchCriteriaId": "E6CE1A0F-BE1E-4312-B68F-F09B05929F9C", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:p1:*:*:*:*:*:*", "matchCriteriaId": "F92474BB-7CC0-47EE-A608-190F70AAFE41", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B6DEFA-0977-474A-9871-B03DEE924ADA", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:*", "matchCriteriaId": "09F19067-DD99-4B26-8125-0801459ED6B0", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:b1:*:*:*:*:*:*", "matchCriteriaId": "9B63D409-60F5-4AB9-A576-8672D42E071E", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:p1:*:*:*:*:*:*", "matchCriteriaId": "CA5D825C-B72A-44F5-AF24-4F3200881ABA", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.1.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "9A1C3F3E-CFB2-40F2-89F4-735AAE042F65", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*", "matchCriteriaId": "150D46FA-873E-4E4F-8192-BCA1076994D7", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*", "matchCriteriaId": "56113AB6-8295-4EB7-A003-79049FBB8B4C", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*", "matchCriteriaId": "362DA97E-B940-4649-803F-26D8C1D16DA5", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*", "matchCriteriaId": "950A6BA0-C348-4B89-8C18-F2AFA467649F", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*", "matchCriteriaId": "9088D042-F104-4F31-AEBB-75F5A0F03AE5", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*", "matchCriteriaId": "F159908A-00E7-4EC8-8342-28182F547C4A", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:p2:*:*:*:*:*:*", "matchCriteriaId": "6CE0BBF8-7FB8-44DD-8C6B-30A657BA9EDE", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "1C49DF07-9612-43C7-9771-B76487B4A9CD", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:*", "matchCriteriaId": "5C6D8D55-DCD2-4E70-B3C6-76F2134DA336", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*", "matchCriteriaId": "C0F06FC0-6477-4589-B9CB-24B1F893EF09", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:p1:*:*:*:*:*:*", "matchCriteriaId": "B3AF9E2C-E0BC-427C-9F13-BCB15916F5B6", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "6CCA07EB-B0CB-40EE-B62E-DB4C408717B7", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:*", "matchCriteriaId": "5E91F700-F59A-491F-BA99-53EC79E573D6", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*", "matchCriteriaId": "53551545-041A-456F-BC81-E05A6B3CB198", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "0F3DBB40-638E-4A4B-99B4-534D2564E146", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:*", "matchCriteriaId": "0B921430-F03C-42DB-A362-562136B01445", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*", "matchCriteriaId": "FA0C3173-8630-4613-B1D3-711468FC3749", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*", "matchCriteriaId": "F104AD27-0AE0-4853-B19C-1D83070A0DEF", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:-:*:*:*:*:*:*", "matchCriteriaId": "4A290541-BF9E-4E18-A941-0ACC40509A79", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:b1:*:*:*:*:*:*", "matchCriteriaId": "F13E1B0F-5731-4949-9D35-497D1D49882C", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:*", "matchCriteriaId": "E85A27A0-A83B-4BBF-A3B8-5219F2053902", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:p2:*:*:*:*:*:*", "matchCriteriaId": "50D601E4-C5EF-4A6E-9EF8-FB9E24D5C6C0", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:rc1:*:*:*:*:*:*", "matchCriteriaId": "ADDDFFB6-046E-407E-9B2E-D4BC18D416CE", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.4:rc2:*:*:*:*:*:*", "matchCriteriaId": "042495FE-3E6A-4602-8E5A-8F4BBD9E3245", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.5:-:*:*:*:*:*:*", "matchCriteriaId": "331D2BBF-858F-49E8-AD2A-01668848F5D8", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.5:b1:*:*:*:*:*:*", "matchCriteriaId": "5EDCDDC5-6A8F-490B-BFB9-094259A7AF9C", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.5:p1:*:*:*:*:*:*", "matchCriteriaId": "5368A7D2-4709-4302-8EB9-D1A16449E2D5", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.5:rc1:*:*:*:*:*:*", "matchCriteriaId": "A368842A-E2A8-4689-A6CA-2349AAF55EC3", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.6:-:*:*:*:*:*:*", "matchCriteriaId": "3DC8FB80-A6CA-46C7-B5CE-FD6B0BD4CF4B", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.6:b1:*:*:*:*:*:*", "matchCriteriaId": "9C602DE3-F326-4810-81D9-21CED82D400A", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.6:rc1:*:*:*:*:*:*", "matchCriteriaId": "EA0D6DF6-039F-44FA-9B6B-6ED0A0D898A8", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.7:-:*:*:*:*:*:*", "matchCriteriaId": "01318107-989F-4800-9E30-F89424836D2E", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.7:b1:*:*:*:*:*:*", "matchCriteriaId": "DCB3FA8B-597A-4E27-8CC6-D1B164C6A99F", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.7:rc1:*:*:*:*:*:*", "matchCriteriaId": "2A331218-0BD5-4084-B1B7-A002A7FCDADA", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.8:-:*:*:*:*:*:*", "matchCriteriaId": "CD8082FC-3004-4A18-AA49-67FB49E33E78", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.8:b1:*:*:*:*:*:*", "matchCriteriaId": "7F7B441D-4E20-41B7-8B21-39FCC5E80976", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "422B12D1-8395-47F1-8A4F-AA964C1AA9E9", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.2.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "1CC2583E-F9E7-4FB1-B59C-070458E4C228", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.0:-:*:*:*:*:*:*", "matchCriteriaId": "368D2368-FC25-419A-B309-400D790DF54F", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.0:a1:*:*:*:*:*:*", "matchCriteriaId": "90FE2884-4468-4D56-9929-C799FA7BF119", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.0:b1:*:*:*:*:*:*", "matchCriteriaId": "B02C7E44-2F8B-40D7-B57A-5B78A6BD891F", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "80DC9586-9846-4E61-82F4-F0FF1A61F89C", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.1:-:*:*:*:*:*:*", "matchCriteriaId": "745B6602-696B-4ED8-9D62-D236DA5159AD", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.1:b1:*:*:*:*:*:*", "matchCriteriaId": "43235DDF-B8E1-48F5-906F-F1100F29DEAA", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "C279D9B3-A774-4D4F-A52B-22CE633ACDE3", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.2:-:*:*:*:*:*:*", "matchCriteriaId": "EC991ABB-E23E-46E4-9D8A-3E351ADE282A", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.2:b1:*:*:*:*:*:*", "matchCriteriaId": "0241F629-A09E-4CC7-B6A5-48E041C2C390", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.2:rc1:*:*:*:*:*:*", "matchCriteriaId": "570BB5C3-CA10-4440-917E-4E88BDDD5656", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.2:rc2:*:*:*:*:*:*", "matchCriteriaId": "50C6B9BB-136F-4F79-A329-DE8F361EF00D", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.3:-:*:*:*:*:*:*", "matchCriteriaId": "7AED2A3E-E969-4AC0-8928-9E53A07078BE", "vulnerable": true}, {"criteria": "cpe:2.3:a:isc:dhcp:4.3.3:b1:*:*:*:*:*:*", "matchCriteriaId": "632B45FA-D76A-4EB6-A208-225B560845FA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions."}, {"lang": "es", "value": "ISC DHCP 4.1.x en versiones anteriores a 4.1-ESV-R13 y 4.2.x y 4.3.x en versiones anteriores a 4.3.4 no restringe el n\u00famero de sesiones TCP concurrentes, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (fallo de aserci\u00f3n INSIST o interrupci\u00f3n de procesamiento de petici\u00f3n) estableciendo muchas sesiones."}], "id": "CVE-2016-2774", "lastModified": "2024-11-21T02:48:46.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-03-09T15:59:00.147", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2590.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/84208"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1035196"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://kb.isc.org/article/AA-01354"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3586-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2590.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/84208"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1035196"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.isc.org/article/AA-01354"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3586-1/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank ISC for reporting this issue.", "affected_release": [{"advisory": "RHSA-2016:2590", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "dhcp-12:4.2.5-47.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-11-03T00:00:00Z"}], "bugzilla": {"description": "dhcp: unclosed TCP connections to OMAPI or failover ports can cause DoS", "id": "1315259", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1315259"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-400", "details": ["ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.", "A resource-consumption flaw was discovered in the DHCP server. dhcpd did not restrict the number of open connections to OMAPI and failover ports. A remote attacker able to establish TCP connections to one of these ports could use this flaw to cause dhcpd to exit unexpectedly, stop responding requests, or exhaust system sockets (denial of service)."], "name": "CVE-2016-2774", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2016-03-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2774\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2774\nhttps://kb.isc.org/article/AA-01354"], "threat_severity": "Moderate", "upstream_fix": "dhcp 4.3.4, dhcp 4.1-ESV-R13"}