Ethereal: Multiple vulnerabilities in protocol dissectors

Security Team Contact Address

Updated October 30, 2005

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200510-25 / Ethereal
Release Date	October 30, 2005
Latest Revision	October 30, 2005: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-analyzer/ethereal	< 0.10.13-r1	>= 0.10.13-r1	All supported architectures

Related bugreports: #109348

Synopsis

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

2. Impact Information

Background

Ethereal is a feature-rich network protocol analyzer.

Description

There are numerous vulnerabilities in versions of Ethereal prior to 0.10.13, including:

The SLIM3 and AgentX dissectors could overflow a buffer (CVE-2005-3243).
iDEFENSE discovered a buffer overflow in the SRVLOC dissector (CVE-2005-3184).
Multiple potential crashes in many dissectors have been fixed, see References for further details.

Furthermore an infinite loop was discovered in the IRC protocol dissector of the 0.10.13 release (CVE-2005-3313).

Impact

An attacker might be able to use 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-0.10.13-r1"

4. References