CVE-2012-3519

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Summary

CVECVE-2012-3519
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-08-26 03:17:44 UTC
Updated2026-04-29 01:13:23 UTC
Descriptionrouterlist.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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

Problem Types: CWE-200 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Tor Tor All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - Re: CVE Request -- Tor 0.2.2.38: Three issues af854a3a-2127-422b-91ae-364da2661108 openwall.com
tor - Tor's source code af854a3a-2127-422b-91ae-364da2661108 gitweb.torproject.org
tor - Tor's source code af854a3a-2127-422b-91ae-364da2661108 gitweb.torproject.org
Gentoo Linux Documentation -- Tor: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
openSUSE-SU-2012:1068-1: moderate: tor: fixed some security bugs af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[tor-announce] Tor 0.2.2.38 is released af854a3a-2127-422b-91ae-364da2661108 lists.torproject.org
Security Advisory SA50583 - Debian update for tor - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
#6537 (Possible timing side-channel in router selection) – Tor Bug Tracker & Wiki af854a3a-2127-422b-91ae-364da2661108 trac.torproject.org
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