Ethereal: Multiple vulnerabilities in protocol dissectors

Security Team Contact Address

Updated April 27, 2006

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200604-17 / Ethereal
Release Date	April 27, 2006
Latest Revision	April 27, 2006: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-analyzer/ethereal	< 0.99.0	>= 0.99.0	All supported architectures

Related bugreports: #130505

Synopsis

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

2. Impact Information

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.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Ethereal users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4. References