Rapid7 Vulnerability & Exploit Database

Ubuntu: USN-4518-1 (CVE-2020-13696): xawtv vulnerability

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Ubuntu: USN-4518-1 (CVE-2020-13696): xawtv vulnerability

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
06/08/2020
Created
09/22/2020
Added
09/18/2020
Modified
03/22/2023

Description

An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent an unprivileged caller of the program from opening unintended filesystem paths. This allows a local attacker with access to the v4l-conf setuid-root program to test for the existence of arbitrary files and to trigger an open on arbitrary files with mode O_RDWR. To achieve this, relative path components need to be added to the device path, as demonstrated by a v4l-conf -c /dev/../root/.bash_history command.

Solution(s)

  • ubuntu-upgrade-alevtd
  • ubuntu-upgrade-fbtv
  • ubuntu-upgrade-pia
  • ubuntu-upgrade-radio
  • ubuntu-upgrade-scantv
  • ubuntu-upgrade-streamer
  • ubuntu-upgrade-ttv
  • ubuntu-upgrade-v4l-conf
  • ubuntu-upgrade-webcam
  • ubuntu-upgrade-xawtv
  • ubuntu-upgrade-xawtv-plugin-qt
  • ubuntu-upgrade-xawtv-plugins
  • ubuntu-upgrade-xawtv-tools

References

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;