#VU32346 Input validation error in privoxy - CVE-2016-1983
Published: January 27, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32346
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-1983
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
privoxy
privoxy
Software vendor:
privoxy
privoxy
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
Remediation
Install update from vendor's website.
External links
- 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