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.
Published 2012-09-14 18:55:05
Updated 2013-08-22 03:58:21
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2012-4419

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
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