USN-1156-1: tgt vulnerabilities

21 June 2011

tgt vulnerabilities

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

  • Ubuntu 11.04
  • Ubuntu 10.10

Summary

An attacker could send crafted input to tgt and cause it to crash or run arbitrary programs.

Software Description

  • tgt - Linux SCSI target user-space tools

Details

It was discovered that tgt incorrectly handled long iSCSI name strings, and invalid PDUs. A remote attacker could exploit this to cause tgt to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 10.10. (CVE-2010-2221)

Emmanuel Bouillon discovered that tgt incorrectly handled certain iSCSI logins. A remote attacker could exploit this to cause tgt to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2011-0001)

Update instructions

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

Ubuntu 11.04
tgt - 1:1.0.13-0ubuntu2.1
Ubuntu 10.10
tgt - 1:1.0.4-1ubuntu4.1

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