Wireshark dissect_paltalk() denial of service

wireshark-dissectpaltalk-dos (54016) The risk level is classified as MediumMedium Risk

Description:

Wireshark (formerly Ethereal) is vulnerable to a denial of service, caused by an alignment error in the dissect_paltalk() function. By sending a specially-crafted Paltalk packet, an attacker could exploit this vulnerability on an alignment-sensitive architecture to cause the application to crash.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to wnpa-sec-2009-07 for patch, upgrade or suggested workaround information. See References.

References:

  • wnpa-sec-2009-07: Multiple vulnerabilities in WiresharkŪ version 0.10.10 to 1.2.2 .
  • BID-36846: Wireshark 1.2.2 and 1.0.9 Multiple Vulnerabilities
  • CVE-2009-3549: packet-paltalk.c in the Paltalk dissector in Wireshark 1.2.0 through 1.2.2, on SPARC and certain other platforms, allows remote attackers to cause a denial of service (application crash) via a file that records a malformed packet trace.
  • GLSA-200911-05: Wireshark: Multiple vulnerabilities
  • OSVDB ID: 59459: Wireshark Paltalk Dissector Unspecified DoS
  • SA37175: Wireshark Denial of Service Vulnerabilities
  • SUSE-SR:2009:020: SUSE Security Summary Report
  • VUPEN/ADV-2009-3061: Wireshark Multiple Protocol Dissector Denial of Service Vulnerabilities

Platforms Affected:

  • Gentoo Linux
  • Wireshark Wireshark 1.2.0
  • Wireshark Wireshark 1.2.1
  • Wireshark Wireshark 1.2.2

Reported:

Oct 26, 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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