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AUSCERT External Security Bulletin Redistribution
ESB-2020.3197
USN-4518-1: xawtv vulnerability
18 September 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: xawtv
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Modify Arbitrary Files -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-13696
Reference: ESB-2020.2056
Original Bulletin:
https://usn.ubuntu.com/4518-1/
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USN-4518-1: xawtv vulnerability
17 September 2020
xawtv could be made to expose sensitive information and escalate
user privileges if it received specially crafted input.
Releases
o Ubuntu 16.04 LTS
Packages
o 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
o alevtd - 3.103-3+deb8u1build0.16.04.1
o fbtv - 3.103-3+deb8u1build0.16.04.1
o pia - 3.103-3+deb8u1build0.16.04.1
o radio - 3.103-3+deb8u1build0.16.04.1
o scantv - 3.103-3+deb8u1build0.16.04.1
o streamer - 3.103-3+deb8u1build0.16.04.1
o ttv - 3.103-3+deb8u1build0.16.04.1
o v4l-conf - 3.103-3+deb8u1build0.16.04.1
o webcam - 3.103-3+deb8u1build0.16.04.1
o xawtv - 3.103-3+deb8u1build0.16.04.1
o xawtv-plugin-qt - 3.103-3+deb8u1build0.16.04.1
o xawtv-plugins - 3.103-3+deb8u1build0.16.04.1
o xawtv-tools - 3.103-3+deb8u1build0.16.04.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-13696
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