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Ubuntu 18.04 LTS: USN-4290-1 Critical: libpam-radius-auth DoS

ubuntu
Calendar Grey February 24, 2020
Dist Ubuntu Esm H88
Mitigate the libpam-radius-auth vulnerability on Ubuntu by executing a full system update to remove risks from malicious network packets with terminal commands
libpam-radius-auth could be made to crash if it received specially crafted network traffic.

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu network traffic libpam-radius-auth

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://ubuntu.com/security/notices/USN-4290-1

CVE-2015-9542

Severity
critical
Lowest
Low
Medium
High
Critical

February 24, 2020

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu network traffic libpam-radius-auth

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

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