sudo vulnerability

28 February 2013

sudo vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 12.10
• Ubuntu 12.04 LTS
• Ubuntu 11.10
• Ubuntu 10.04 LTS
• Ubuntu 8.04 LTS

Summary

Sudo could be made to run programs as the administrator without a password prompt.

Software Description

• sudo - Provide limited super user privileges to specific users

Details

Marco Schoepl discovered that Sudo incorrectly handled time stamp files when the system clock is set to epoch. A local attacker could use this issue to run Sudo commands without a password prompt.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.10

sudo - 1.8.5p2-1ubuntu1.1

sudo-ldap - 1.8.5p2-1ubuntu1.1

Ubuntu 12.04 LTS

sudo - 1.8.3p1-1ubuntu3.4

sudo-ldap - 1.8.3p1-1ubuntu3.4

Ubuntu 11.10

sudo - 1.7.4p6-1ubuntu2.2

sudo-ldap - 1.7.4p6-1ubuntu2.2

Ubuntu 10.04 LTS

sudo - 1.7.2p1-1ubuntu5.6

sudo-ldap - 1.7.2p1-1ubuntu5.6

Ubuntu 8.04 LTS

sudo - 1.6.9p10-1ubuntu3.10

sudo-ldap - 1.6.9p10-1ubuntu3.10

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

• CVE-2013-1775