Ubuntu Security Notice USN-4437-1

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Ubuntu Security Notice USN-4437-1
July 27, 2020

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

– Ubuntu 20.04 LTS

Summary:

libslirp could be made to crash if it received specially crafted network
traffic.

Software Description:
– libslirp: None

Details:

Ziming Zhang and VictorV discovered that libslirp incorrectly handled
replying to certain ICMP echo requests. A remote attacker could possibly
use this issue to cause libslirp to crash, resulting in a denial of
service.

Update instructions:

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

Ubuntu 20.04 LTS:
libslirp0 4.1.0-2ubuntu2.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://usn.ubuntu.com/4437-1
CVE-2020-10756

Package Information:
https://launchpad.net/ubuntu/+source/libslirp/4.1.0-2ubuntu2.1