CVE-2012-3518

Published: Aug 26, 2012Modified: Apr 29, 2026

5.0

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability: 10.0 / Impact: 2.9

Source: NVD

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.

Affected (1)

Products: Tor: Tor

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Tor Tor	Up to 0.2.2.37

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (16)

http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html

Source: secalert@redhat.com

http://openwall.com/lists/oss-security/2012/08/21/6

Source: secalert@redhat.com

http://secunia.com/advisories/50583

Source: secalert@redhat.com

http://security.gentoo.org/glsa/glsa-201301-03.xml

Source: secalert@redhat.com

https://gitweb.torproject.org/tor.git/commit/55f635745afacefffdaafc72cc176ca7ab817546

Source: secalert@redhat.com

https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a977f0f

Source: secalert@redhat.com

https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html

Source: secalert@redhat.com

https://trac.torproject.org/projects/tor/ticket/6530

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://openwall.com/lists/oss-security/2012/08/21/6

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/50583

Source: af854a3a-2127-422b-91ae-364da2661108

http://security.gentoo.org/glsa/glsa-201301-03.xml

Source: af854a3a-2127-422b-91ae-364da2661108

https://gitweb.torproject.org/tor.git/commit/55f635745afacefffdaafc72cc176ca7ab817546

Source: af854a3a-2127-422b-91ae-364da2661108

https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a977f0f

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://trac.torproject.org/projects/tor/ticket/6530

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.