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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Check for the version of the ethereal packages
Detailed Explanation for this Vulnerability Assessment
Updated Ethereal packages that fix various security vulnerabilities are now
available for Red Hat Enterprise Linux 4.
This update has been rated as having moderate security impact by the Red Hat
Security Response Team.
Ethereal is a program for monitoring network traffic.
A number of security flaws have been discovered in Ethereal. On a system
where Ethereal is running, a remote attacker could send malicious packets
to trigger these flaws.
A flaw in the DICOM dissector could cause a crash. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CVE-2004-1139 to this issue.
A invalid RTP timestamp could hang Ethereal and create a large temporary
file, possibly filling available disk space. (CVE-2004-1140)
The HTTP dissector could access previously-freed memory, causing a crash.
An improperly formatted SMB packet could make Ethereal hang, maximizing CPU
The COPS dissector could go into an infinite loop. (CVE-2005-0006)
The DLSw dissector could cause an assertion, making Ethereal exit
The DNP dissector could cause memory corruption. (CVE-2005-0008)
The Gnutella dissector could cause an assertion, making Ethereal exit
The MMSE dissector could free static memory, causing a crash. (CVE-2005-0010)
The X11 protocol dissector is vulnerable to a string buffer overflow.
Users of Ethereal should upgrade to these updated packages which contain
version 0.10.9 that is not vulnerable to these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2005-037.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security
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