Exploit/Advisories

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Ubuntu Security Notice USN-4518-1
September 17, 2020

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

- Ubuntu 16.04 LTS

Summary:

xawtv could be made to expose sensitive information and escalate
user privileges if it received specially crafted input.

Software Description:
- xawtv: X11 program for watching TV

Details:

Matthias Gerstner discovered that xawtv incorrectly handled opening files.
A local attacker could possibly use this issue to open and write to
arbitrary files and escalate privileges. (CVE-2020-13696)

Update instructions:

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

Ubuntu 16.04 LTS:
alevtd 3.103-3+deb8u1build0.16.04.1
fbtv 3.103-3+deb8u1build0.16.04.1
pia 3.103-3+deb8u1build0.16.04.1
radio 3.103-3+deb8u1build0.16.04.1
scantv 3.103-3+deb8u1build0.16.04.1
streamer 3.103-3+deb8u1build0.16.04.1
ttv 3.103-3+deb8u1build0.16.04.1
v4l-conf 3.103-3+deb8u1build0.16.04.1
webcam 3.103-3+deb8u1build0.16.04.1
xawtv 3.103-3+deb8u1build0.16.04.1
xawtv-plugin-qt 3.103-3+deb8u1build0.16.04.1
xawtv-plugins 3.103-3+deb8u1build0.16.04.1
xawtv-tools 3.103-3+deb8u1build0.16.04.1

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

References:
https://usn.ubuntu.com/4518-1
CVE-2020-13696

Package Information:
https://launchpad.net/ubuntu/+source/xawtv/3.103-3+deb8u1build0.16.04.1

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