Input validation error in tinyproxy - CVE-2012-3505
Published: October 10, 2012 / Updated: August 3, 2020
Vulnerability identifier: #VU33318
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-3505
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: tinyproxy
Affected software:
tinyproxy
tinyproxy
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (CPU and memory consumption) via (1) a large number of headers or (2) a large number of forged headers that trigger hash collisions predictably.
How to mitigate CVE-2012-3505
Update to version 1.8.4.
Sources
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685281
- http://secunia.com/advisories/50278
- http://secunia.com/advisories/51074
- http://www.debian.org/security/2012/dsa-2564
- http://www.openwall.com/lists/oss-security/2012/08/17/3
- http://www.openwall.com/lists/oss-security/2012/08/18/1
- http://www.securitytracker.com/id?1027412
- https://banu.com/bugzilla/show_bug.cgi?id=110
- https://banu.com/bugzilla/show_bug.cgi?id=110#c2
- https://bugs.launchpad.net/ubuntu/+source/tinyproxy/+bug/1036985