USN-4288-2: ppp vulnerability
ppp vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary
ppp could be made to crash or run programs if it received specially crafted network traffic.
Software Description
- ppp – Point-to-Point Protocol (PPP)
Details
USN-4288-1 fixed a vulnerability in ppp. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that ppp incorrectly handled certain rhostname values. A
remote attacker could use this issue to cause ppp to crash, resulting in a
denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- ppp – 2.4.5-5.1ubuntu2.3+esm1
- Ubuntu 12.04 ESM
- ppp – 2.4.5-5ubuntu1.3
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
Source: USN-4288-2: ppp vulnerability
