CVS "dot dot" directory traversal

cvs-dotdot-directory-traversal (15891) The risk level is classified as MediumMedium Risk

Description:

CVS (Concurrent Versions System) could allow a remote attacker to traverse directories on the system. A remote attacker could send a CVS client request containing "dot dot" sequences (../) in the file name to traverse directories and view arbitrary files outside of the CVS root directory.


Consequences:

File Manipulation

Remedy:

For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest cvs package (1.11.1p1debian-9woody2 or later), as listed in DSA-486-1. See References.

For Slackware Linux:
Upgrade to the latest cvs package, as listed below. Refer to slackware-security Mailing List, Sun, 18 Apr 2004 16:40:41 -0700 (PDT) for more information. See References.

Slackware Linux 8.1, 9.0, 9.1, and -current: 0.9.6m-i386-1 or later

For Red Hat Linux:
Upgrade to the latest cvs package, as listed below. Refer to RHSA-2004:153-09 for more information. See References.

Red Hat Enterprise Linux AS (v. 2.1), ES (v. 2.1), WS (v. 2.1), and Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor: 1.11.1p1-12 or later

Red Hat Enterprise Linux AS (v. 3), ES (v. 3), and WS (v. 3): 1.11.2-18 or later

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

References:

Platforms Affected:

  • CVS, Derek Price CVS (Concurrent Versions System) prior to 1.11
  • Debian Debian Linux 3.0
  • Gentoo Linux
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 2.1 AW
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 AS
  • RedHat Linux 9.0
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Slackware Slackware Linux 8.1
  • Slackware Slackware Linux 9.0
  • Slackware Slackware Linux 9.1
  • Slackware Slackware Linux current

Reported:

Apr 16, 2004

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