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CVE-2017-5850

Date: March 27, 2017

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.

Language: C

Severity Score

7.5

Related Resources (13)

Url: https://github.com/openbsd/src/commit/142cfc82b932bc211218fbd7bdda8c7ce83f19df

Url: https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html

Url: https://www.exploit-db.com/exploits/41278/

Url: http://www.securityfocus.com/bid/95997

Url: http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-5850

Url: https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig

Url: https://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/034_httpd.patch.sig

Url: http://www.securitytracker.com/id/1037758

Url: http://www.openwall.com/lists/oss-security/2017/02/02/6

Url: http://marc.info/?l=openbsd-cvs&m=148587359420912&w=2

Url: http://seclists.org/fulldisclosure/2017/Feb/15

Url: https://www.mend.io/vulnerability-database/CVE-2017-5850

Severity Score

7.5

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	7.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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