CVE-2012-4419

Medium

Description

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.

SeverityMedium
CVSS5.0
Exploit probability—
ProductTor
PublishedSep 14, 2012
First seenSep 14, 2012

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
torproject torv ≤ 0.2.2.38, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.6.1, 0.0.6.2, 0.0.7, 0.0.7.1, 0.0.7.2, 0.0.7.3, 0.0.8.1, 0.0.9.1, 0.0.9.2, 0.0.9.3, 0.0.9.4, 0.0.9.5, 0.0.9.6, 0.0.9.7, 0.0.9.8, 0.0.9.9, 0.0.9.10, 0.1.0.10, 0.1.0.11, 0.1.0.12, 0.1.0.13, 0.1.0.14, 0.1.0.15, 0.1.0.16, 0.1.0.17, 0.1.1.20, 0.1.1.21, 0.1.1.22, 0.1.1.23, 0.1.1.24, 0.1.1.25, 0.1.1.26, 0.1.2.13, 0.1.2.14, 0.1.2.15, 0.1.2.16, 0.1.2.17, 0.1.2.18, 0.1.2.19, 0.2.0.30, 0.2.0.31, 0.2.0.32, 0.2.0.33, 0.2.0.34, 0.2.0.35, 0.2.2.18, 0.2.2.19, 0.2.2.20, 0.2.2.21, 0.2.2.22, 0.2.2.23, 0.2.2.24, 0.2.2.25, 0.2.2.26, 0.2.2.27, 0.2.2.28, 0.2.2.29, 0.2.2.30, 0.2.2.31, 0.2.2.32, 0.2.2.33, 0.2.2.34, 0.2.2.35, 0.2.2.36, 0.2.2.37, 0.2.3, 0.2.3.13, 0.2.3.14, 0.2.3.15, 0.2.3.16, 0.2.3.17, 0.2.3.18, 0.2.3.19, 0.2.3.20—

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