Summary

Name: Lucent/Ascend file parser and ANSI MAP vulnerabilities in Wireshark® version 1.4.0 to 1.4.7

Docid: wnpa-sec-2011-10

Date: July 18, 2011

Versions affected: 1.4.0 up to and including 1.4.7

Related: wnpa-sec-2011-11 (Lucent/Ascend file parser and ANSI MAP vulnerabilities in Wireshark® version 1.6.0) wnpa-sec-2011-09 (Lucent/Ascend file parser vulnerability in Wireshark® version 1.2.0 to 1.2.17)

Details

Description

Wireshark 1.4.8 fixes the following vulnerabilities:

• The Lucent/Ascend file parser was susceptible to an infinite loop.
  Versions affected: 1.2.0 to 1.2.17, 1.4.0 to 1.4.7, and 1.6.0.
  CVE-2011-2597
• The ANSI MAP dissector was susceptible to an infinite loop. (Bug 6044)
  Versions affected: 1.4.0 to 1.4.7 and 1.6.0.
  CVE-2011-2698

Impact

It may be possible to make Wireshark crash by injecting a series of malformed packets onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 1.4.8 or later. Although you can disable the ANSI MAP dissector it is not possible to work around the Lucent/Ascend parser bug.