CVE-2017-5850 Information

Description

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5