VulnerabilityModified
CVE-2012-3517
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.
MEDIUM 5.0EPSS 2.77%
Does this matter?
Lower severity and a low EPSS score (2.77%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 2.77% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- tor/tor
- Source
- secalert@redhat.com
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html
- 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/62637fa22405278758febb1743da9af562524d4c
- 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.html
- 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/62637fa22405278758febb1743da9af562524d4c
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- https://trac.torproject.org/projects/tor/ticket/6480Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.