USN-3810-1: ppp vulnerability

ppp vulnerability

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

• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

ppp could be made to crash or bypass authentication if it received specially crafted network traffic.

Software Description

• ppp - Point-to-Point Protocol (PPP)

Details

Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS protocol. A remote attacker could use this issue to cause ppp to crash, resulting in a denial of service, or possibly bypass authentication.

Update instructions

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

Ubuntu 18.04 LTS

ppp - 2.4.7-2+2ubuntu1.1

Ubuntu 16.04 LTS

ppp - 2.4.7-1+2ubuntu1.16.04.1

Ubuntu 14.04 LTS

ppp - 2.4.5-5.1ubuntu2.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2018-11574

from Ubuntu Security Notices https://ift.tt/2yUVX07