[USN-4288-1] ppp vulnerability
Marc Deslauriers
marc.deslauriers at canonical.com
Thu Feb 20 15:16:53 UTC 2020
==========================================================================
Ubuntu Security Notice USN-4288-1
February 20, 2020
ppp vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
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:
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 19.10:
ppp 2.4.7-2+4.1ubuntu4.1
Ubuntu 18.04 LTS:
ppp 2.4.7-2+2ubuntu1.2
Ubuntu 16.04 LTS:
ppp 2.4.7-1+2ubuntu1.16.04.2
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4288-1
CVE-2020-8597
Package Information:
https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu4.1
https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.2
https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.2
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