CVE-2016-1983 Information

Description

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

CVSS Vector

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

Reference

http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html http://www.debian.org/security/2016/dsa-3460 http://www.openwall.com/lists/oss-security/2016/01/21/4 http://www.openwall.com/lists/oss-security/2016/01/22/3 http://www.privoxy.org/announce.txt

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