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Sicherheit: Preisgabe von Informationen in pam_tacplus
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in pam_tacplus
ID: USN-4521-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS
Datum: Mo, 21. September 2020, 22:38
Referenzen: https://launchpad.net/ubuntu/+source/libpam-tacplus/1.3.8-2+deb8u1build0.16.04.1
https://launchpad.net/ubuntu/+source/libpam-tacplus/1.3.8-2+deb8u1build0.20.04.1
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13881
https://launchpad.net/ubuntu/+source/libpam-tacplus/1.3.8-2+deb8u1build0.18.04.1
Applikationen: pam_tacplus

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-4521-1
September 21, 2020

libpam-tacplus vulnerability
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

pam_tacplus could be made to expose sensitive information.

Software Description:
- libpam-tacplus: PAM module for using TACACS+ as an authentication service

Details:

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

Update instructions:

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

Ubuntu 20.04 LTS:
libpam-tacplus 1.3.8-2+deb8u1build0.20.04.1

Ubuntu 18.04 LTS:
libpam-tacplus 1.3.8-2+deb8u1build0.18.04.1

Ubuntu 16.04 LTS:
libpam-tacplus 1.3.8-2+deb8u1build0.16.04.1

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

References:
https://usn.ubuntu.com/4521-1
CVE-2020-13881

Package Information:

https://launchpad.net/ubuntu/+source/libpam-tacplus/1.3.8-2+deb8u1build0.20.04.1

https://launchpad.net/ubuntu/+source/libpam-tacplus/1.3.8-2+deb8u1build0.18.04.1

https://launchpad.net/ubuntu/+source/libpam-tacplus/1.3.8-2+deb8u1build0.16.04.1


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