Summary

Name: LDSS vulnerability in Wireshark® version 1.2.0

Docid: wnpa-sec-2010-13

Date: November 18, 2010

Versions affected: 1.2.0

Related: wnpa-sec-2010-14 (LDSS and ZigBee ZCL vulnerabilities in Wireshark® version 1.4.0 to 1.4.1 )

Details

Description

Wireshark 1.2.13 fixes the following vulnerability:

• Nephi Johnson of BreakingPoint discovered that the LDSS dissector could overflow a buffer. (Bug 5318) Versions affected: 1.2.0 to 1.2.12 and 1.4.0 to 1.4.1. CVE-2010-4300

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 1.2.13 or later.

If are running Wireshark 1.2.12 or earlier (including Ethereal) and cannot upgrade, you can work around each of the problems listed above by doing the following:

• Disable the LDSS dissector:
  • Select Analyze→Enabled Protocols... from the menu.
  • Make sure "LDSS" is un-checked.
  • Click "Save", then click "OK".