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Sigurnosni nedostatak programskog paketa Point-to-Point Protocol

==========================================================================
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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