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Ubuntu: USN-2595-1 Critical: ppp Service Crash from Network Traffic

ubuntu
Calendar Grey May 5, 2015
Dist Ubuntu Esm H88
Debian Security Notice DSN-4522-1 highlights a networkd problem initiated by specially forged packets, resulting in potential downtime.
ppp could be made to crash if it received specially crafted network traffic.

Summary

ppp could be made to crash if it received specially crafted network

traffic.

Software Description:

- ppp: Point-to-Point Protocol (PPP)

Details:

It was discovered that ppp incorrectly handled large PIDs. When pppd is

used with a RADIUS server, a remote attacker could use this issue to cause

it to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu ppp crash network traffic issue

Update Instructions

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

Ubuntu 14.10:
  ppp                             2.4.5-5.1ubuntu3.2

Ubuntu 14.04 LTS:
  ppp                             2.4.5-5.1ubuntu2.2

Ubuntu 12.04 LTS:
  ppp                             2.4.5-5ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-2595-1

CVE-2015-3310

Severity
critical
Lowest
Low
Medium
High
Critical

May 05, 2015

Topics%20covered

Topics Covered

security advisory denial of service ubuntu ppp crash network traffic issue

Package Information

https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu3.2
https://launchpad.net/ubuntu/+source/ppp/2.4.5-5.1ubuntu2.2
https://launchpad.net/ubuntu/+source/ppp/2.4.5-5ubuntu1.2

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