Articles / Ubuntu: New tgt packages fi…

Ubuntu: New tgt packages fix security vulnerabilities

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. 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. Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1156-1
June 21, 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

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

References:
 CVE-2010-2221, CVE-2011-0001

Package Information:
 https://launchpad.net/ubuntu/+source/tgt/1:1.0.13-0ubuntu2.1
 https://launchpad.net/ubuntu/+source/tgt/1:1.0.4-1ubuntu4.1
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