CVE-2017-5850

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

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

Advertisement

Configurations

Configuration 1 (hide)

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

Information

Published : 2017-03-27 08:59

Updated : 2019-10-02 17:03

NVD link : CVE-2017-5850

Mitre link : CVE-2017-5850

JSON object : View

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

Advertisement

Products Affected

openbsd

openbsd

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.exploit-db.com/exploits/41278/", "name": "41278", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "refsource": "EXPLOIT-DB"}, {"url": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html", "name": "https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html", "tags": ["Exploit", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df", "name": "https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig", "name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig", "tags": ["Patch", "Vendor Advisory"], "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/5.9/common/034_httpd.patch.sig", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securitytracker.com/id/1037758", "name": "1037758", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "http://www.securityfocus.com/bid/95997", "name": "95997", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "http://www.openwall.com/lists/oss-security/2017/02/02/6", "name": "[oss-security] 20170202 Re: CVE requests: OpenBSD httpd - 2 DoS", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://seclists.org/fulldisclosure/2017/Feb/15", "name": "20170206 Remote DoS against OpenBSD http server (up to 6.0)", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "FULLDISC"}, {"url": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html", "name": "http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "refsource": "MISC"}, {"url": "http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2", "name": "[openbsd-cvs] 20170131 cvs.openbsd.org: src", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-770"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-5850", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "HIGH", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2017-03-27T15:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:openbsd:openbsd:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-03T00:03Z"}