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wnpa-sec-2009-07 · Multiple vulnerabilities in Wireshark

Summary

Name: Multiple vulnerabilities in Wireshark

Docid: wnpa-sec-2009-07

Date: October 26, 2009

Affected versions: 0.10.10 up to and including 1.2.2

Fixed versions: 1.2.3

Details

Description

Wireshark 1.2.3 fixes the following vulnerabilities:

  • The Paltalk dissector could crash on alignment-sensitive processors. (Bug 3689)
    Versions affected: 1.2.0 to 1.2.2
    CVE-2009-3549
  • The DCERPC/NT dissector could crash.
    Versions affected: 0.10.10 to 1.2.2
    CVE-2009-3550
  • The SMB dissector could crash.
    Versions affected: 1.2.0 to 1.2.2
    CVE-2009-3551

Impact

It may be possible to make Wireshark crash remotely or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 1.2.3 or later.

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

  • Disable the affected dissectors:
    • Select Analyze→Enabled Protocols... from the menu.
    • Make sure "Paltalk", "DCERPC", and "SMB" are all un-checked.
    • Click "Save", then click "OK".