Ethereal COPS dissector denial of service
| ethereal-cops-dos (18999) |  Medium Risk |
Description:
Ethereal is vulnerable to a denial of service attack, caused by a vulnerability in the COPS dissector. A remote attacker could cause the COPS to enter into an infinite loop, which would consume 100% of the available CPU resources on the system.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Ethereal (0.10.9 or later), available from the Ethereal Download Web page. See References.
For Mandrake Linux:
Upgrade to the latest ethereal package as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2005:013 for more information. See References.
Mandrake Linux 10.0: 0.10.9-0.1.100mdk or later
Mandrake Linux 10.1: 0.10.9-0.1.101mdk or later
For Red Hat Linux:
Refer to RHSA-2005:037-11 or RHSA-2005:011-11 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2005-01-27 for patch, upgrade, or suggested workaround information. See References.
References:
- CIAC Information Bulletin P-106: Ethereal 0.10.9 Released.
- Ethereal Download Web page: Official Releases.
- Ethereal Web site: Ethereal 0.10.9 released - Thursday, January 20, 2005.
- BID-12326: Multiple Ethereal Unspecified Dissector Vulnerabilities
- CVE-2005-0006: The COPS dissector in Ethereal 0.10.6 through 0.10.8 allows remote attackers to cause a denial of service (infinite loop).
- GLSA-200501-27: Ethereal: Multiple vulnerabilities
- MDKSA-2005:013: Updated ethereal packages fix multiple vulnerabilities
- RHSA-2005-011: ethereal security update
- RHSA-2005-037: ethereal security update
- SA13946: Ethereal Multiple Unspecified Packet Dissector Vulnerabilities
- SUSE-SR:2005:003: SUSE Security Summary Report
Platforms Affected:
- Ethereal Ethereal 0.10.6 - 0.10.8
- Gentoo Linux
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 10.1
- MandrakeSoft Mandrake Linux 10.1 X86_64
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 AS
- RedHat Linux Advanced Workstation 2.1 Itanium
Reported:
Jan 20, 2005
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