Metamail Content-Type format string attack

metamail-contenttype-format-string (15245) The risk level is classified as HighHigh Risk

Description:

Metamail is vulnerable to a format string attack, caused by a vulnerability in the SaveSquirrelFile function. A remote attacker could create a specially-crafted mail message containing format specifiers Content-Type header, to execute code on the system with privileges of the user, once the message is opened.


Consequences:

Gain Privileges

Remedy:

For Red Hat Linux:
Upgrade to the latest Metamail package, as listed below. Refer to RHSA-2004:073-05 for more information. See References.

Red Hat Enterprise Linux AS (v. 2.1): metamail-2.7-29 or later
Red Hat Enterprise Linux ES (v. 2.1): metamail-2.7-29 or later
Red Hat Enterprise Linux WS (v. 2.1): metamail-2.7-29 or later
Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor: metamail-2.7-29 or later

For Slackware Linux:
Upgrade to the latest metamail package, as listed below. Refer to slackware-security Mailing List, Wed, 18 Feb 2004 04:38:25 -0800 (PST) for more information. See References.

Slackware Linux 8.0 and 8.1: 2.7-i386-2 or later
Slackware Linux 9.0: 2.7-i386-2 or later
Slackware Linux 9.1 and -current: 2.7-i486-2 or later

For Debian GNU/Linux 3.0 (alias woody):
Upgrade to the latest metamail package (2.7-45woody.2 or later), as listed in DSA 449-1. See References.

For Gentoo Linux:
Upgrade to the latest version of Metamail (2.7.45.3 or later), as listed in GLSA 200405-17. See References.

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

References:

Platforms Affected:

  • Debian Debian Linux 3.0
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 9.0
  • MandrakeSoft Mandrake Linux 9.1
  • MandrakeSoft Mandrake Linux 9.1 PPC
  • MandrakeSoft Mandrake Linux 9.2 AMD64
  • MandrakeSoft Mandrake Linux 9.2
  • MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 2.1
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 AW
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Slackware Slackware Linux 8.0
  • Slackware Slackware Linux 8.1
  • Slackware Slackware Linux 9.0
  • Slackware Slackware Linux 9.1
  • Slackware Slackware Linux current
  • Telcordia Technologies Metamail 2.7 and prior

Reported:

Feb 18, 2004

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