A libpam-radius-auth security update has been released for Ubuntu Linux 19.10, 18.04 LTS, and 16.04 LTS.
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Ubuntu Security Notice USN-4290-1
February 24, 2020
libpam-radius-auth vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
libpam-radius-auth could be made to crash if it received specially crafted
network traffic.
Software Description:
- libpam-radius-auth: The PAM RADIUS authentication module
Details:
It was discovered that libpam-radius-auth incorrectly handled certain long
passwords. A remote attacker could possibly use this issue to cause
libpam-radius-auth to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
libpam-radius-auth 1.3.17-0ubuntu5.19.10.1
Ubuntu 18.04 LTS:
libpam-radius-auth 1.3.17-0ubuntu5.18.04.1
Ubuntu 16.04 LTS:
libpam-radius-auth 1.3.17-0ubuntu4.1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4290-1
CVE-2015-9542
Package Information:
https://launchpad.net/ubuntu/+source/libpam-radius-auth/1.3.17-0ubuntu5.19.10.1
https://launchpad.net/ubuntu/+source/libpam-radius-auth/1.3.17-0ubuntu5.18.04.1
https://launchpad.net/ubuntu/+source/libpam-radius-auth/1.3.17-0ubuntu4.1
