Debian LTS Advisory ([SECURITY] [DLA 1959-1] xtrlock security update)

Published: 2019-10-15 02:00:09
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:

The remote host is missing an update for the 'xtrlock' Linux Distribution Package(s) announced via the DSA-1959-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
It was discovered that multitouch devices were not being disabled by the 'xtrlock' screen locking utility. xtrlock did not block multitouch events so an attacker could still input and thus control various programs such as Chromium, etc. via so-called 'multitouch' events including pan scrolling, 'pinch and zoom' or even being able to provide regular mouse clicks by depressing the touchpad once and then clicking with a secondary finger.

Affected Versions:
'xtrlock' Linux Distribution Package(s) on Debian Linux.

For Debian 8 'Jessie', this issue has been fixed in xtrlock version 2.6+deb8u1. However, this fix does not the situation where an attacker plugs in a multitouch device *after* the screen has been locked. For more information on this, please see: We recommend that you upgrade your xtrlock Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

CVE Analysis


CVSS Score
Debian Local Security Checks

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