USN-1235-1: Open-iSCSI vulnerability

20 October 2011

open-iscsi vulnerability

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

  • Ubuntu 8.04 LTS


iscsi_discovery in open-iscsi could be made to overwrite files as the administrator.

Software Description

  • open-iscsi - Open Source iSCSI implementation


Colin Watson discovered that iscsi_discovery in Open-iSCSI did not safely create temporary files. A local attacker could exploit this to to overwrite arbitrary files with root privileges.

Update instructions

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

Ubuntu 8.04 LTS
open-iscsi - 2.0.865-1ubuntu3.5

To update your system, please follow these instructions:

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