CVE-2012-3518
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)…
Does this matter?
Lower severity and a low EPSS score (2.77%). Track it; it rarely justifies an emergency change on its own.
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 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-119
- Affected
- tor/tor
- Source
- secalert@redhat.com
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/55f635745afacefffdaafc72cc176ca7ab817546
- https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a977f0f
- 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/55f635745afacefffdaafc72cc176ca7ab817546
- https://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a977f0f
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- https://trac.torproject.org/projects/tor/ticket/6530
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.