Vulnerability Description
The networkstatus_parse_vote_from_string function in routerparse.c in Tor before 0.2.2.38 does not properly handle an invalid flavor name, which allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted (1) vote document or (2) consensus document.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tor | Tor | <= 0.2.2.37 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html
- http://openwall.com/lists/oss-security/2012/08/21/6
- http://secunia.com/advisories/50583
- http://security.gentoo.org/glsa/glsa-201301-03.xml
- https://gitweb.torproject.org/tor.git/commit/55f635745afacefffdaafc72cc176ca7ab8
- https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a9
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- https://trac.torproject.org/projects/tor/ticket/6530
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html
- http://openwall.com/lists/oss-security/2012/08/21/6
- http://secunia.com/advisories/50583
- http://security.gentoo.org/glsa/glsa-201301-03.xml
- https://gitweb.torproject.org/tor.git/commit/55f635745afacefffdaafc72cc176ca7ab8
- https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a9
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
FAQ
What is CVE-2012-3518?
CVE-2012-3518 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The networkstatus_parse_vote_from_string function in routerparse.c in Tor before 0.2.2.38 does not properly handle an invalid flavor name, which allows remote attackers to cause a denial of service (o...
How severe is CVE-2012-3518?
CVE-2012-3518 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-3518?
Check the references section above for vendor advisories and patch information. Affected products include: Tor Tor.