KDE Display Manager (KDM) /.dmrc user session type symlink

kde-kdm-symlink (27181) The risk level is classified as MediumMedium Risk

Description:

The KDE Display Manager (KDM) manages the /.dmrc user session file in an insecure manner. A local attacker could exploit this vulnerability using symbolic link attacks to read arbitrary files on the system with elevated privileges.

Platforms Affected:

  • Canonical, Ubuntu 5.04
  • Canonical, Ubuntu 5.10
  • Canonical, Ubuntu 6.06 LTS
  • Debian, Debian Linux 3.1
  • Gentoo, Linux
  • KDE, K Desktop Environment (KDE) 3.2.0 - 3.5.3
  • MandrakeSoft, Mandrake Linux 2006 X86_64
  • MandrakeSoft, Mandrake Linux 2006
  • MandrakeSoft, Mandrake Linux Corporate Server 3.0
  • MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
  • Novell, Linux Desktop 9
  • RedHat, Enterprise Linux 4 WS
  • RedHat, Enterprise Linux 4 AS
  • RedHat, Enterprise Linux 4 ES
  • RedHat, Enterprise Linux 4 Desktop
  • rPath, rPath Linux 1
  • SuSE, SuSE Linux 10.0
  • SuSE, SuSE Linux 10.1
  • SuSE, SuSE Linux 9.1
  • SuSE, SuSE Linux 9.2
  • SuSE, SuSE Linux 9.3
  • SuSE, SuSE SLES 9

Remedy:

Apply the patch for this vulnerability, as listed in KDE Security Advisory 2006-06-14. See References.

For Ubuntu Linux:
Refer to USN-301-1 for patch, upgrade, or suggested workaround information. See References.

For Mandriva Linux:
Refer to Mandriva Security Advisory MDKSA-2006:105 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux:
Refer to RHSA-2006:0584-4 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-06-23 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux:
Refer to DSA-1156-1 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SA:2006:039 for patch, upgrade, or suggested workaround information. See References.

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

Consequences:

File Manipulation

References:

Reported:

Jun 14, 2006

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