The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains...
Vulnerability Description
The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2012-5573
Credits & Attribution
No credits recorded in the NVD database.
References
- http://security.gentoo.org/glsa/glsa-201301-03.xml
- https://trac.torproject.org/projects/tor/ticket/6252
- https://bugs.gentoo.org/show_bug.cgi?id=444804
- http://secunia.com/advisories/51329
- https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16
- http://openwall.com/lists/oss-security/2012/11/26/11
- https://gitweb.torproject.org/tor.git/blob/release-0.2.3:/ReleaseNotes
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80289
- https://bugzilla.redhat.com/show_bug.cgi?id=880310
More from torproject
View All →Affected Vendor
torproject
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.