USN-4521-1: pam_tacplus vulnerability

Published Sep 21, 2020
·
Updated

It was discovered that pamtacplus did not properly manage shared secrets if DEBUG loglevel and journald are used. A remote attacker could use this issue to expose sensitive information.

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/libpam-tacplus<1.3.8-2+deb8u1build0.20.04.1
1.3.8-2+deb8u1build0.20.04.1
Ubuntu Ubuntu=20.04
All of the following
ubuntu/libpam-tacplus<1.3.8-2+deb8u1build0.18.04.1
1.3.8-2+deb8u1build0.18.04.1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/libpam-tacplus<1.3.8-2+deb8u1build0.16.04.1
1.3.8-2+deb8u1build0.16.04.1
Ubuntu Ubuntu=16.04

Event History

Sep 21, 2020
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is USN-4521-1.

2

What is the title of the vulnerability?

The title of the vulnerability is 'USN-4521-1: pam_tacplus vulnerability'.

3

What is the description of the vulnerability?

The vulnerability is related to pam_tacplus not properly managing shared secrets if DEBUG loglevel and journald are used, which can allow a remote attacker to expose sensitive information.

4

Which software versions are affected?

The following versions of libpam-tacplus are affected: 1.3.8-2+deb8u1build0.20.04.1 (Ubuntu 20.04), 1.3.8-2+deb8u1build0.18.04.1 (Ubuntu 18.04), and 1.3.8-2+deb8u1build0.16.04.1 (Ubuntu 16.04).

5

How can I fix this vulnerability?

To fix this vulnerability, it is recommended to install the appropriate updates for libpam-tacplus. Please refer to the references for more information on the updates.

Contact

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