Ubuntu Security Notice USN-4746-1 ≈ Packet Storm – Digitalmunition




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Published on February 26th, 2021 📆 | 6599 Views ⚑

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Ubuntu Security Notice USN-4746-1 ≈ Packet Storm

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Ubuntu Security Notice USN-4746-1
February 24, 2021

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

– Ubuntu 20.10
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

xterm could be made to crash or run programs if it handled specially
crafted character sequences.

Software Description:
– xterm: X terminal emulator

Details:

Tavis Ormandy discovered that xterm incorrectly handled certain character
sequences. A remote attacker could use this issue to cause xterm 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 20.10:
xterm 353-1ubuntu1.20.10.2

Ubuntu 20.04 LTS:
xterm 353-1ubuntu1.20.04.2

Ubuntu 18.04 LTS:
xterm 330-1ubuntu2.2

Ubuntu 16.04 LTS:
xterm 322-1ubuntu1.2

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

References:
https://usn.ubuntu.com/4746-1
CVE-2021-27135

Package Information:
https://launchpad.net/ubuntu/+source/xterm/353-1ubuntu1.20.10.2
https://launchpad.net/ubuntu/+source/xterm/353-1ubuntu1.20.04.2
https://launchpad.net/ubuntu/+source/xterm/330-1ubuntu2.2
https://launchpad.net/ubuntu/+source/xterm/322-1ubuntu1.2

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