Debian Security Advisory

DSA-2642-1 sudo -- several issues

Date Reported:
09 Mar 2013
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 701838, Bug 701839.
In Mitre's CVE dictionary: CVE-2013-1775, CVE-2013-1776, CVE-2013-2776, CVE-2013-2777.
More information:

Several vulnerabilities have been discovered in sudo, a program designed to allow a sysadmin to give limited root privileges to users. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2013-1775

    Marco Schoepl discovered an authentication bypass when the clock is set to the UNIX epoch [00:00:00 UTC on 1 January 1970].

  • CVE-2013-1776

    Ryan Castellucci and James Ogden discovered aspects of an issue that would allow session id hijacking from another authorized tty.

For the stable distribution (squeeze), these problems have been fixed in version 1.7.4p4-2.squeeze.4.

For the testing (wheezy) and unstable (sid) distributions, these problems have been fixed in version 1.8.5p2-1+nmu1.

We recommend that you upgrade your sudo packages.