Ubuntu Security Notice USN-4451-1 ≈ Packet Storm – Digitalmunition




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Published on August 6th, 2020 📆 | 7809 Views ⚑

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Ubuntu Security Notice USN-4451-1 ≈ Packet Storm

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Ubuntu Security Notice USN-4451-1
August 04, 2020

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

– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

ppp could be made to load arbitrary kernel modules and possibly run
programs.

Software Description:
– ppp: Point-to-Point Protocol (PPP)

Details:

Thomas Chauchefoin discovered that ppp incorrectly handled module loading.
A local attacker could use this issue to load arbitrary kernel modules and
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
ppp 2.4.7-2+4.1ubuntu5.1

Ubuntu 18.04 LTS:
ppp 2.4.7-2+2ubuntu1.3

Ubuntu 16.04 LTS:
ppp 2.4.7-1+2ubuntu1.16.04.3

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

References:
https://usn.ubuntu.com/4451-1
CVE-2020-15704

Package Information:
https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu5.1
https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.3
https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.3

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