PRIOn knowledge basePRION:CVE-2012-4419Design/Logic Flaw
6.7 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.038 Low
EPSS
Percentile
91.6%
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.
References
lists.opensuse.org/opensuse-updates/2012-10/msg00005.html
openwall.com/lists/oss-security/2012/09/13/2
secunia.com/advisories/50583
security.gentoo.org/glsa/glsa-201301-03.xml
gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes
gitweb.torproject.org/tor.git/commit/62d96284f7e0f81c40d5df7e53dd7b4dfe7e56a5
lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html
lists.torproject.org/pipermail/tor-talk/2012-September/025434.html
trac.torproject.org/projects/tor/ticket/6690
Related
6.7 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.038 Low
EPSS
Percentile
91.6%