Ethereal H.248 dissector denial of service
| ethereal-h248-dos (26031) |  Low Risk |
Description:
Ethereal is vulnerable to a denial of service. A remote attacker could exploit an unspecified vulnerability in the H.248 dissector using a malformed packet or trace file to cause Ethereal to crash.
Platforms Affected:
- Debian, Debian Linux 3.0
- Debian, Debian Linux 3.1
- Ethereal, Ethereal 0.10.11 - 0.10.14
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 2006
- MandrakeSoft, Mandrake Linux 2006 X86_64
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 2.1 WS
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Linux Advanced Workstation 2.1 Itanium
Remedy:
Upgrade to the latest stable version of Ethereal (0.99.0 or later), as listed in Ethereal Security Advisory enpa-sa-00023. See References.
For Red Hat Linux:
Refer to RHSA-2006:0420-8 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux:
Refer to DSA-1049-1 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-04-17 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- Ethereal Security Advisory enpa-sa-00023, Multiple problems in Ethereal versions 0.8.5 to 0.10.14 at http://www.ethereal.com/appnotes/enpa-sa-00023.html.
- Ethereal Web site, Ethereal: Download at http://www.ethereal.com/download.html.
- Ethereal Web site, Ethereal: A Network Protocol Analyzer at http://www.ethereal.com/.
- ASA-2006-128: ethereal security update (RHSA-2006-0420)
- BID-17682: Ethereal Multiple Protocol Dissector Vulnerabilities In Versions Prior To 0.99.0
- CVE-2006-1937: Multiple unspecified vulnerabilities in Ethereal 0.10.x up to 0.10.14 allow remote attackers to cause a denial of service (crash from null dereference) via (1) multiple vectors in H.248, and the (2) X.509if, (3) SRVLOC, (4) H.245, (5) AIM, and (6) general packet dissectors; and (7) the statistics counter.
- DSA-1049: ethereal -- several vulnerabilities
- FrSIRT/ADV-2006-1501: Ethereal Protocol Dissectors Code Execution and Denial of Service Vulnerabilities
- GLSA-200604-17: Ethereal: Multiple vulnerabilities in protocol dissectors
- MDKSA-2006:077: Updated ethereal packages fix numerous vulnerabilities
- RHSA-2006-0420: ethereal security update
- SA19769: Ethereal Multiple Protocol Dissector Vulnerabilities
- SA20944: Avaya Products Ethereal Vulnerabilities
- SECTRACK ID: 1015985: Ethereal Bugs in Multipe Dissectors Lets Remote Users Execute Arbitrary Code and Remote Deny Service
- SUSE-SR:2006:010: SUSE Security Summary Report
Reported:
Apr 24, 2006
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net