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debianDebianDEBIAN:DLA-1959-1:0F5CF
HistoryOct 14, 2019 - 8:49 p.m.

[SECURITY] [DLA 1959-1] xtrlock security update

2019-10-1420:49:20
lists.debian.org
63

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%

Package : xtrlock
Version : 2.6+deb8u1
CVE ID : CVE-2016-10894
Debian Bug : #830726

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.

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:

https://bugs.debian.org/830726#115

We recommend that you upgrade your xtrlock packages pending a
deeper fix.

Regards,


  ,''`.
 : :'  :     Chris Lamb
 `. `'`      [email protected] / chris-lamb.co.uk
   `-

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

4.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%