CVE-2017-5850 - Vulnerability Details - OpenCVE

httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.4959.

Key SSVC decision points have not yet been added.

Vendors	Products
Openbsd Subscribe	Openbsd Subscribe

Configuration 1 [-]

cpe:2.3:o:openbsd:openbsd:6.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2
http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2017/Feb/15
http://www.openwall.com/lists/oss-security/2017/02/02/6
http://www.securityfocus.com/bid/95997
http://www.securitytracker.com/id/1037758
https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig
https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df
https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html
https://www.exploit-db.com/exploits/41278/

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-03-27T15:00:00

Updated: 2024-08-05T15:11:48.670Z

Reserved: 2017-02-01T00:00:00

Link: CVE-2017-5850

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-03-27T15:59:00.437

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-5850

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-770

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-01-31T00:00:00", "descriptions": [{"lang": "en", "value": "httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-03-27T14:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20170202 Re: CVE requests: OpenBSD httpd - 2 DoS", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2017/02/02/6"}, {"tags": ["x_refsource_MISC"], "url": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html"}, {"name": "95997", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/95997"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df"}, {"name": "41278", "tags": ["exploit", "x_refsource_EXPLOIT-DB"], "url": "https://www.exploit-db.com/exploits/41278/"}, {"name": "1037758", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1037758"}, {"name": "[openbsd-cvs] 20170131 cvs.openbsd.org: src", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig"}, {"name": "20170206 Remote DoS against OpenBSD http server (up to 6.0)", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2017/Feb/15"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-5850", "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": "httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20170202 Re: CVE requests: OpenBSD httpd - 2 DoS", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2017/02/02/6"}, {"name": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html", "refsource": "MISC", "url": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html"}, {"name": "95997", "refsource": "BID", "url": "http://www.securityfocus.com/bid/95997"}, {"name": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df", "refsource": "CONFIRM", "url": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df"}, {"name": "41278", "refsource": "EXPLOIT-DB", "url": "https://www.exploit-db.com/exploits/41278/"}, {"name": "1037758", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1037758"}, {"name": "[openbsd-cvs] 20170131 cvs.openbsd.org: src", "refsource": "MLIST", "url": "http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2"}, {"name": "https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig", "refsource": "CONFIRM", "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig"}, {"name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig", "refsource": "CONFIRM", "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig"}, {"name": "20170206 Remote DoS against OpenBSD http server (up to 6.0)", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2017/Feb/15"}, {"name": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T15:11:48.670Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20170202 Re: CVE requests: OpenBSD httpd - 2 DoS", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2017/02/02/6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html"}, {"name": "95997", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/95997"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df"}, {"name": "41278", "tags": ["exploit", "x_refsource_EXPLOIT-DB", "x_transferred"], "url": "https://www.exploit-db.com/exploits/41278/"}, {"name": "1037758", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1037758"}, {"name": "[openbsd-cvs] 20170131 cvs.openbsd.org: src", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig"}, {"name": "20170206 Remote DoS against OpenBSD http server (up to 6.0)", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2017/Feb/15"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-5850", "datePublished": "2017-03-27T15:00:00", "dateReserved": "2017-02-01T00:00:00", "dateUpdated": "2024-08-05T15:11:48.670Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "4A300948-662F-4728-B6C1-69A6A4CF61BE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header."}, {"lang": "es", "value": "httpd en OpenBSD permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de una serie de peticiones para un archivo grande utilizando un encabezado HTTP Range."}], "id": "CVE-2017-5850", "lastModified": "2025-04-20T01:37:25.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-27T15:59:00.437", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://seclists.org/fulldisclosure/2017/Feb/15"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/02/02/6"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95997"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037758"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/41278/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://seclists.org/fulldisclosure/2017/Feb/15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2017/02/02/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95997"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037758"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/41278/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}