Fedora: 2003-040 High Severity: Ethereal Malformed Packet Crashes

This package lays base for libpcap, a packet capture and filtering

library, contains command-line utilities, contains plugins and

documentation for ethereal. A graphical user interface is packaged

separately to GTK+ package.

Serious issues have been discovered in the following protocol dissectors:

* Selecting "Match->Selected" or "Prepare->Selected" for a malformed SMB packet could cause a segmentation fault. * It is possible for the Q.931 dissector to dereference a null pointer when reading a malformed packet.

Impact:

Both vulnerabilities will make the Ethereal application crash. The Q.931 vulnerability also affects Tethereal. It is not known if either vulnerability can be used to make Ethereal or Tethereal run arbitrary code.

Resolution:

Upgrade to 0.10.0.

If you are running a version prior to 0.10.0 and you cannot upgrade, you can disable the SMB and Q.931 protocol dissectors by selecting Edit->Protocols... and deselecting them from the list. * Wed Dec 17 2003 Phil Knirsch <pknirsch@redhat.com> 0.10.0a-0.1

- Update to latest upstream version 0.10.0a - Fixed plugins problem.

This update can be downloaded from:

5ac28be19cc9b3113b6c339aed1c5f33 SRPMS/ethereal-0.10.0a-0.1.src.rpm...