CVSS2
Attack Vector
NETWORK
Attack 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
EPSS
Percentile
91.9%
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.
Author | Note |
---|---|
sbeattie | looks like triggerable asserts that cause a DoS |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 12.10 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 13.04 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 13.10 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 14.04 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 14.10 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 15.04 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 15.10 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 16.04 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 16.10 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
ubuntu | 17.04 | noarch | tor | < 0.2.3.22-rc-1 | UNKNOWN |
www.openwall.com/lists/oss-security/2012/09/12/5
gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes
gitweb.torproject.org/tor.git/commitdiff/62d96284f7e0f81c40d5df7e53dd7b4dfe7e56a5
gitweb.torproject.org/tor.git/commitdiff/973c18bf0e84d14d8006a9ae97fde7f7fb97e404
launchpad.net/bugs/cve/CVE-2012-4419
nvd.nist.gov/vuln/detail/CVE-2012-4419
security-tracker.debian.org/tracker/CVE-2012-4419
www.cve.org/CVERecord?id=CVE-2012-4419