Vulnerability Details CVE-2012-3519
routerlist.c in Tor before 0.2.2.38 uses a different amount of time for relay-list iteration depending on which relay is chosen, which might allow remote attackers to obtain sensitive information about relay selection via a timing side-channel attack.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.4%
CVSS Severity
CVSS v2 Score 5.0
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/308f6dad20675c42b29862f4269ad1fbfb00dc9a
- https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- https://trac.torproject.org/projects/tor/ticket/6537
- 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/308f6dad20675c42b29862f4269ad1fbfb00dc9a
- https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b
- https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- https://trac.torproject.org/projects/tor/ticket/6537