RHSA-2010:0122: Important: sudo security update

First published: Fri Feb 26 2010(Updated: )

The sudo (superuser do) utility allows system administrators to give<br>certain users the ability to run commands as root.<br>A privilege escalation flaw was found in the way sudo handled the sudoedit<br>pseudo-command. If a local user were authorized by the sudoers file to use<br>this pseudo-command, they could possibly leverage this flaw to execute<br>arbitrary code with the privileges of the root user. (CVE-2010-0426)<br>The sudo utility did not properly initialize supplementary groups when the<br>"runas_default" option (in the sudoers file) was used. If a local user<br>were authorized by the sudoers file to perform their sudo commands under<br>the account specified with "runas_default", they would receive the root<br>user's supplementary groups instead of those of the intended target user,<br>giving them unintended privileges. (CVE-2010-0427)<br>Users of sudo should upgrade to this updated package, which contains<br>backported patches to correct these issues.

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