Vulnerability Details : CVE-2012-4419
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.
Vulnerability category: Denial of service
Products affected by CVE-2012-4419
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.20:rc:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.33:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.32:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.31:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.30:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.0.35:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.0.34:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.0.33:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.0.32:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.22:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.21:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.20:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.10:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre26:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre25:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre24:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre23:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre22:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.15:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.14:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.13:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.25:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.24:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.23:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.22:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.8:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre17:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre16:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre15:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre14:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.19:rc:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.17:beta:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.37:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.35:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.28:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.26:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.21:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.19:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.0.30:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.25:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.23:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.7:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.5:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre21:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre19:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.18:rc:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.3.16:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.36:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.34:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.29:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.27:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.20:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.2.0.31:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.19:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.26:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.1.24:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.1.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.6:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre27:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre20:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre18:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.0.2:pre13:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-4419
3.76%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-4419
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2012-4419
-
https://gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes
-
https://gitweb.torproject.org/tor.git/commit/62d96284f7e0f81c40d5df7e53dd7b4dfe7e56a5
tor - Tor's source code
-
http://security.gentoo.org/glsa/glsa-201301-03.xml
Tor: Multiple vulnerabilities (GLSA 201301-03) — Gentoo security
-
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html
[SECURITY] Fedora 18 Update: tor-0.2.2.39-1800.fc18
-
https://lists.torproject.org/pipermail/tor-talk/2012-September/025434.html
[tor-talk] Tor 0.2.3.21-rc is out
-
http://openwall.com/lists/oss-security/2012/09/13/2
oss-security - Re: CVE id request: tor
-
http://lists.opensuse.org/opensuse-updates/2012-10/msg00005.html
openSUSE-SU-2012:1278-1: moderate: tor
-
https://trac.torproject.org/projects/tor/ticket/6690
#6690 (compare_tor_addr_to_addr_policy assertion error) – Tor Bug Tracker & Wiki
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