Tor router descriptors denial of service

tor-router-descriptors-dos (51376) The risk level is classified as MediumMedium Risk

Description:

Tor is vulnerable to a denial of service, caused by an error when parsing malicious router descriptors. By sending specially-crafted router descriptors, a remote attacker could exploit this vulnerability to cause the application to crash.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of Tor (0.2.0.35 or later), available from the Tor Web site. See References.

References:

Platforms Affected:

  • Tor Tor 0.1.1.20
  • Tor Tor 0.1.1.23
  • Tor Tor 0.1.2.1 Alpha-cvs
  • Tor Tor 0.1.2.14
  • Tor Tor 0.1.2.15
  • Tor Tor 0.1.2.16
  • Tor Tor 0.2.0.31
  • Tor Tor 0.2.0.32
  • Tor Tor 0.2.0.33
  • Tor Tor 0.2.0.34
  • Tor Tor 0.2.0.35

Reported:

Jun 25, 2009

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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