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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…

Impact

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.

Affected products

VendorProductAffected versions
TorprojectTor
through 0.2.2.38
Versions 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6

References