Vulnerability Description
Use-after-free vulnerability in dns.c in Tor before 0.2.2.38 might allow remote attackers to cause a denial of service (daemon crash) via vectors related to failed DNS requests.
CVSS Score
5.0
MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tor | Tor | <= 0.2.2.37 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html
- http://openwall.com/lists/oss-security/2012/08/21/6
- http://security.gentoo.org/glsa/glsa-201301-03.xml
- https://bugzilla.redhat.com/show_bug.cgi?id=849949
- https://gitweb.torproject.org/tor.git/commit/62637fa22405278758febb1743da9af5625
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- https://trac.torproject.org/projects/tor/ticket/6480Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html
- http://openwall.com/lists/oss-security/2012/08/21/6
- http://security.gentoo.org/glsa/glsa-201301-03.xml
- https://bugzilla.redhat.com/show_bug.cgi?id=849949
- https://gitweb.torproject.org/tor.git/commit/62637fa22405278758febb1743da9af5625
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
FAQ
What is CVE-2012-3517?
CVE-2012-3517 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Use-after-free vulnerability in dns.c in Tor before 0.2.2.38 might allow remote attackers to cause a denial of service (daemon crash) via vectors related to failed DNS requests.
How severe is CVE-2012-3517?
CVE-2012-3517 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-2012-3517?
Check the references section above for vendor advisories and patch information. Affected products include: Tor Tor.