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CVE-2012-3519 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html	CVE
http://openwall.com/lists/oss-security/2012/08/21/6	CVE
http://secunia.com/advisories/50583	CVE
http://security.gentoo.org/glsa/glsa-201301-03.xml	CVE
https://gitweb.torproject.org/tor.git/commit/308f6dad20675c42b29862f4269ad1fbfb00dc9a	CVE
https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b	CVE
https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html	CVE
https://trac.torproject.org/projects/tor/ticket/6537	CVE
http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html	[email protected]
http://openwall.com/lists/oss-security/2012/08/21/6	[email protected]
http://secunia.com/advisories/50583	[email protected]
http://security.gentoo.org/glsa/glsa-201301-03.xml	[email protected]
https://gitweb.torproject.org/tor.git/commit/308f6dad20675c42b29862f4269ad1fbfb00dc9a	[email protected]
https://gitweb.torproject.org/tor.git/commit/d48cebc5e498b0ae673635f40fc57cdddab45d5b	[email protected]
https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html	[email protected]
https://trac.torproject.org/projects/tor/ticket/6537	[email protected]

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]

Affected Products

Product	Versions
tor tor	<= 0.2.2.37
CPE cpe:2.3:a:tor:tor:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 27, 2012	Initial Analysis	[email protected]