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Last updated: 12/20/2014 2:12:52 AM

CVE Publication rate: 21.17

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National Cyber Awareness System

Vulnerability Summary for CVE-2012-4419

Original release date: 09/14/2012
Last revised: 08/21/2013
Source: US-CERT/NIST

Overview

The compare_tor_addr_to_addr_policy function in or/policies.c in Tor before 0.2.2.39, and 0.2.3.x before 0.2.3.21-rc, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a zero-valued port field that is not properly handled during policy comparison.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SUSE
Name: openSUSE-SU-2012:1278
External Source: FEDORA
Name: FEDORA-2012-14638
External Source: CONFIRM
Name: https://gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes
External Source: CONFIRM
Name: https://trac.torproject.org/projects/tor/ticket/6690
External Source: SECUNIA
Name: 50583
External Source: GENTOO
Name: GLSA-201301-03
External Source: MLIST
Name: [tor-talk] 20120905 Tor 0.2.3.21-rc is out
External Source: CONFIRM
Name: https://gitweb.torproject.org/tor.git/commit/62d96284f7e0f81c40d5df7e53dd7b4dfe7e56a5
External Source: MLIST
Name: [oss-security] 20120912 Re: CVE id request: tor

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:torproject:tor:0.2.2.38 and previous versions
* cpe:/a:torproject:tor:0.2.2.37
* cpe:/a:torproject:tor:0.2.2.36
* cpe:/a:torproject:tor:0.2.2.35
* cpe:/a:torproject:tor:0.2.2.32
* cpe:/a:torproject:tor:0.2.2.34
* cpe:/a:torproject:tor:0.2.2.31
* cpe:/a:torproject:tor:0.2.2.33
* cpe:/a:torproject:tor:0.2.2.30
* cpe:/a:torproject:tor:0.2.2.29
* cpe:/a:torproject:tor:0.2.2.28
* cpe:/a:torproject:tor:0.2.2.27
* cpe:/a:torproject:tor:0.2.2.26
* cpe:/a:torproject:tor:0.2.2.25
* cpe:/a:torproject:tor:0.2.2.24
* cpe:/a:torproject:tor:0.2.2.23
* cpe:/a:torproject:tor:0.2.2.22
* cpe:/a:torproject:tor:0.2.2.21
* cpe:/a:torproject:tor:0.2.2.20
* cpe:/a:torproject:tor:0.2.2.19
* cpe:/a:torproject:tor:0.2.2.18
* cpe:/a:torproject:tor:0.2.0.35
* cpe:/a:torproject:tor:0.2.0.34
* cpe:/a:torproject:tor:0.2.0.33
* cpe:/a:torproject:tor:0.2.0.32
* cpe:/a:torproject:tor:0.2.0.31
* cpe:/a:torproject:tor:0.2.0.30
* cpe:/a:torproject:tor:0.1.2.19
* cpe:/a:torproject:tor:0.1.2.18
* cpe:/a:torproject:tor:0.1.2.17
* cpe:/a:torproject:tor:0.1.2.16
* cpe:/a:torproject:tor:0.1.2.15
* cpe:/a:torproject:tor:0.1.2.14
* cpe:/a:torproject:tor:0.1.2.13
* cpe:/a:torproject:tor:0.1.1.26
* cpe:/a:torproject:tor:0.1.1.25
* cpe:/a:torproject:tor:0.1.1.24
* cpe:/a:torproject:tor:0.1.1.23
* cpe:/a:torproject:tor:0.1.1.22
* cpe:/a:torproject:tor:0.1.1.21
* cpe:/a:torproject:tor:0.1.1.20
* cpe:/a:torproject:tor:0.1.0.17
* cpe:/a:torproject:tor:0.1.0.16
* cpe:/a:torproject:tor:0.1.0.15
* cpe:/a:torproject:tor:0.1.0.14
* cpe:/a:torproject:tor:0.1.0.13
* cpe:/a:torproject:tor:0.1.0.12
* cpe:/a:torproject:tor:0.1.0.11
* cpe:/a:torproject:tor:0.1.0.10
* cpe:/a:torproject:tor:0.0.9.10
* cpe:/a:torproject:tor:0.0.9.9
* cpe:/a:torproject:tor:0.0.9.8
* cpe:/a:torproject:tor:0.0.9.7
* cpe:/a:torproject:tor:0.0.9.6
* cpe:/a:torproject:tor:0.0.9.5
* cpe:/a:torproject:tor:0.0.9.4
* cpe:/a:torproject:tor:0.0.9.3
* cpe:/a:torproject:tor:0.0.9.2
* cpe:/a:torproject:tor:0.0.9.1
* cpe:/a:torproject:tor:0.0.8.1
* cpe:/a:torproject:tor:0.0.7.3
* cpe:/a:torproject:tor:0.0.7.2
* cpe:/a:torproject:tor:0.0.7.1
* cpe:/a:torproject:tor:0.0.7
* cpe:/a:torproject:tor:0.0.6.2
* cpe:/a:torproject:tor:0.0.6.1
* cpe:/a:torproject:tor:0.0.6
* cpe:/a:torproject:tor:0.0.5
* cpe:/a:torproject:tor:0.0.4
* cpe:/a:torproject:tor:0.0.3
* cpe:/a:torproject:tor:0.0.2
* cpe:/a:torproject:tor:0.0.2:pre27
* cpe:/a:torproject:tor:0.0.2:pre26
* cpe:/a:torproject:tor:0.0.2:pre25
* cpe:/a:torproject:tor:0.0.2:pre24
* cpe:/a:torproject:tor:0.0.2:pre23
* cpe:/a:torproject:tor:0.0.2:pre22
* cpe:/a:torproject:tor:0.0.2:pre21
* cpe:/a:torproject:tor:0.0.2:pre20
* cpe:/a:torproject:tor:0.0.2:pre19
* cpe:/a:torproject:tor:0.0.2:pre18
* cpe:/a:torproject:tor:0.0.2:pre17
* cpe:/a:torproject:tor:0.0.2:pre16
* cpe:/a:torproject:tor:0.0.2:pre15
* cpe:/a:torproject:tor:0.0.2:pre14
* cpe:/a:torproject:tor:0.0.2:pre13
* cpe:/a:torproject:tor:0.2.3.20:rc
* cpe:/a:torproject:tor:0.2.3.19:rc
* cpe:/a:torproject:tor:0.2.3.18:rc
* cpe:/a:torproject:tor:0.2.3.17:beta
* cpe:/a:torproject:tor:0.2.3.16:alpha
* cpe:/a:torproject:tor:0.2.3.15:alpha
* cpe:/a:torproject:tor:0.2.3.14:alpha
* cpe:/a:torproject:tor:0.2.3.13:alpha
* cpe:/a:torproject:tor:0.2.3

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)