Ethereal: Multiple vulnerabilities in protocol dissectors — GLSA 200604-17

Ethereal is vulnerable to numerous vulnerabilities, potentially resulting in the execution of arbitrary code.

Affected Packages

net-analyzer/ethereal on all architectures
Affected versions < 0.99.0
Unaffected versions >= 0.99.0

Background

Ethereal is a feature-rich network protocol analyzer.

Description

Coverity discovered numerous vulnerabilities in versions of Ethereal prior to 0.99.0, including:

  • buffer overflows in the ALCAP (CVE-2006-1934), COPS (CVE-2006-1935) and telnet (CVE-2006-1936) dissectors.
  • buffer overflows in the NetXray/Windows Sniffer and Network Instruments file code (CVE-2006-1934).

For further details please consult the references below.

Impact

An attacker might be able to exploit these vulnerabilities to crash Ethereal or execute arbitrary code with the permissions of the user running Ethereal, which could be the root user.

Workaround

There is no known workaround at this time.

Resolution

All Ethereal users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-analyzer/ethereal-0.99.0"

References

Release Date
April 27, 2006

Latest Revision
April 27, 2006: 01

Severity
high

Exploitable
remote

Bugzilla entries