Ethereal HTTP dissector denial of service

ethereal-http-dissector-dos (18487) The risk level is classified as MediumMedium Risk


Ethereal is vulnerable to a denial of service attack, caused by a vulnerability in the HTTP dissector. A remote attacker could cause the dissector to access freed memory, which would cause Ethereal to crash and possibly allow the attacker to execute arbitrary code on the system.


Gain Access


Upgrade to the latest version of Ethereal (0.10.8 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-2004:152 . See References.

Mandrake Linux 10.0: 0.10.8-0.1.100mdk or later
Mandrake Linux 10.0/AMD64: 0.10.8-0.1.100mdk or later
Mandrake Linux 10.1: 0.10.8-0.1.100mdk or later
Mandrake Linux 10.1/X86_64: 0.10.8-0.1.100mdk or later

For Gentoo Linux:
Upgrade to the latest version of ethereal (0.10.8 or later), as listed in GLSA 200412-15. See References.

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 other distributions:
Contact your vendor for upgrade or patch information.


Platforms Affected:

  • Ethereal Ethereal 0.10.1 - 0.10.7
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 10.0
  • MandrakeSoft Mandrake Linux 10.0 AMD64
  • 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 WS
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 ES
  • RedHat Linux Advanced Workstation 2.1 Itanium


Dec 15, 2004

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 (IBM 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.

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