{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow.  NOTE: versions 1.27 and 1.28 do not require authentication to exploit."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2013-11-05T21:00:00Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[chrony-announce] 20130808 chrony-1.29 released (security)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://permalink.gmane.org/gmane.comp.time.chrony.announce/15"}, {"name": "DSA-2760", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2013/dsa-2760"}, {"name": "[oss-security] 20130809 [Not a CVE request, just notification] CVE-2012-4502, CVE-2012-4503 -- Two security flaws fixed in Chrony v1.29", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://seclists.org/oss-sec/2013/q3/332"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2012-4502", "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": "Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow.  NOTE: versions 1.27 and 1.28 do not require authentication to exploit."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[chrony-announce] 20130808 chrony-1.29 released (security)", "refsource": "MLIST", "url": "http://permalink.gmane.org/gmane.comp.time.chrony.announce/15"}, {"name": "DSA-2760", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2013/dsa-2760"}, {"name": "[oss-security] 20130809 [Not a CVE request, just notification] CVE-2012-4502, CVE-2012-4503 -- Two security flaws fixed in Chrony v1.29", "refsource": "MLIST", "url": "http://seclists.org/oss-sec/2013/q3/332"}, {"name": "http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git;a=commitdiff;h=7712455d9aa33d0db0945effaa07e900b85987b1", "refsource": "CONFIRM", "url": "http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git;a=commitdiff;h=7712455d9aa33d0db0945effaa07e900b85987b1"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=846392", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:35:09.906Z"}, "title": "CVE Program Container", "references": [{"name": "[chrony-announce] 20130808 chrony-1.29 released (security)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://permalink.gmane.org/gmane.comp.time.chrony.announce/15"}, {"name": "DSA-2760", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2013/dsa-2760"}, {"name": "[oss-security] 20130809 [Not a CVE request, just notification] CVE-2012-4502, CVE-2012-4503 -- Two security flaws fixed in Chrony v1.29", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://seclists.org/oss-sec/2013/q3/332"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-4502", "datePublished": "2013-11-05T21:00:00Z", "dateReserved": "2012-08-21T00:00:00Z", "dateUpdated": "2024-09-17T04:24:42.253Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*", "matchCriteriaId": "7E236713-16ED-4ED1-9210-84C3F8F9E03F", "versionEndIncluding": "1.28", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "D9F6D403-6DA1-4A95-B498-97D9775DAF31", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.1:*:*:*:*:*:*:*", "matchCriteriaId": "0EDD31BF-50F3-4669-8AD4-C5310C2CAAB3", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.18:*:*:*:*:*:*:*", "matchCriteriaId": "BE7B1A16-5E42-4571-BD0A-306E452F88C5", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19:*:*:*:*:*:*:*", "matchCriteriaId": "3876201F-F20D-42DA-912A-17B6108C05A6", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19.99.1:*:*:*:*:*:*:*", "matchCriteriaId": "3E0A3321-1CC7-47C1-A7F1-1FFC0CBA892A", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19.99.2:*:*:*:*:*:*:*", "matchCriteriaId": "203D6F3C-367E-4D39-8081-499A4847DB40", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.19.99.3:*:*:*:*:*:*:*", "matchCriteriaId": "F94EADFC-7FAC-47B5-8024-1F1D81F57E02", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.20:*:*:*:*:*:*:*", "matchCriteriaId": "FF708CE0-F27C-474D-AB0C-296DCB53F416", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.21:*:*:*:*:*:*:*", "matchCriteriaId": "D4B0E62E-A525-4E0C-A5DF-512D79D7A68A", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.21:pre1:*:*:*:*:*:*", "matchCriteriaId": "14E0645D-717C-420F-BA1C-8B8C86CA7E28", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.23:*:*:*:*:*:*:*", "matchCriteriaId": "C3404172-1C34-46A4-B94A-3EF852C0C1E3", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.23:pre1:*:*:*:*:*:*", "matchCriteriaId": "A5EF5C83-67EE-4E29-9B67-4B2551AA1DD6", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.23.1:*:*:*:*:*:*:*", "matchCriteriaId": "0C0EFE21-9119-4A5A-9627-4AF9A4C1A3A3", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.24:*:*:*:*:*:*:*", "matchCriteriaId": "4AD3192E-2D26-4D2C-BF0F-4AB2A3670725", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.24:pre1:*:*:*:*:*:*", "matchCriteriaId": "BD2A78C2-11AE-4DBB-935C-73AB7F9DDB4E", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.25:*:*:*:*:*:*:*", "matchCriteriaId": "628AA82E-CED1-439A-BCA2-051D6B6F3F10", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.25:pre1:*:*:*:*:*:*", "matchCriteriaId": "C9057824-14B1-4F47-A47B-785DD4535E07", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.25:pre2:*:*:*:*:*:*", "matchCriteriaId": "9D1467D4-2C22-4DA7-869D-7DC8735A5473", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.26:*:*:*:*:*:*:*", "matchCriteriaId": "EFE3E748-3834-463F-8C67-DAC51C2BF761", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.26:pre1:*:*:*:*:*:*", "matchCriteriaId": "DD7D828F-0E16-49F5-BC07-BC5C7F56A497", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.27:*:*:*:*:*:*:*", "matchCriteriaId": "3A68D07C-EA41-4CF0-B0C5-4E3358F0AB68", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.27:pre1:*:*:*:*:*:*", "matchCriteriaId": "25048F2C-AD32-4776-975B-69C5757C79D8", "vulnerable": true}, {"criteria": "cpe:2.3:a:tuxfamily:chrony:1.28:pre1:*:*:*:*:*:*", "matchCriteriaId": "30481FF5-B26F-4034-8C34-CE935B9C257D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow.  NOTE: versions 1.27 and 1.28 do not require authentication to exploit."}, {"lang": "es", "value": "M\u00faltiples desbordamientos de enteros en pktlength.c en Chrony anterior a 1.29 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un (1) REQ_SUBNETS_ACCESSED manipulado o (2) comando  REQ_CLIENT_ACCESSES a la  funci\u00f3n PKL_CommandLength o la manipulaci\u00f3n de  (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES), (5) RPY_CLIENT_ACCESSES_BY_INDEX, o (6) Respuesta del comando RPY_MANUAL_LIST por la funci\u00f3n PKL_ReplyLength, lo que provoca un  desbordamiento de buffer o lectura fuera de l\u00edmite. NOTA: Las versiones 1.27 y 1.28 no requieren autenticaci\u00f3n para  su  explotaci\u00f3n."}], "id": "CVE-2012-4502", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-11-05T21:55:08.047", "references": [{"source": "secalert@redhat.com", "url": "http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://permalink.gmane.org/gmane.comp.time.chrony.announce/15"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://seclists.org/oss-sec/2013/q3/332"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2013/dsa-2760"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://permalink.gmane.org/gmane.comp.time.chrony.announce/15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://seclists.org/oss-sec/2013/q3/332"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2013/dsa-2760"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Florian Weimer (Red Hat) and Miroslav Lichvar (Red Hat).", "bugzilla": {"description": "chrony: Two security flaws fixed in chrony-1.29 release", "id": "846392", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow.  NOTE: versions 1.27 and 1.28 do not require authentication to exploit."], "name": "CVE-2012-4502", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "chrony", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2013-08-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4502\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4502"], "threat_severity": "Moderate"}