CVE-2012-3519

Tor < 0.2.2.37 - Timing Side-Channel Information Disclosure in Relay Selection

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201301-03.xml
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/50583
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2012/08/21/6
Various Sources x_refsource_confirm
https://trac.torproject.org/projects/tor/ticket/6537
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html

Scores

EPSS 0.0242
EPSS Percentile 82.2%

Details

CWE
CWE-200
Status published
Products (1)
tor/tor < 0.2.2.37
Published Aug 26, 2012
Tracked Since Feb 18, 2026