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openSUSE Leap 15.0: Advisory ID 2018:3802-1 Low Severity Crash Risk

opensuse
Calendar Grey November 17, 2018
Dist Opensuse Esm H88
A recent patch for libxkbcommon addresses several security vulnerabilities that impact openSUSE Leap 15.0, categorizing them with low severity ratings.
An update that fixes 11 vulnerabilities is now available.

Description

This update for libxkbcommon to version 0.8.2 fixes the following issues:

- Fix a few NULL-dereferences, out-of-bounds access and undefined behavior

in the XKB text format parser.

- CVE-2018-15853: Endless recursion could have been used by local

attackers to crash xkbcommon users by supplying a crafted keymap file

that triggers boolean negation (bsc#1105832).

- CVE-2018-15854: Unchecked NULL pointer usage could have been used by

local attackers to crash (NULL pointer dereference) the xkbcommon parser

by supplying a crafted keymap file, because geometry tokens were

desupported incorrectly (bsc#1105832).

- CVE-2018-15855: Unchecked NULL pointer usage could have been used by

local attackers to crash (NULL pointer dereference) the xkbcommon parser

by supplying a crafted keymap file, because the XkbFile for an

xkb_geometry section was mishandled (bsc#1105832).

- CVE-2018-15856: An infinite loop when reaching EOL unexpectedly...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory security update low severity crash risk openSUSE libxkbcommon

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.0:

zypper in -t patch openSUSE-2018-1418=1

Package List

- openSUSE Leap 15.0 (i586 x86_64):

libxkbcommon-debugsource-0.8.2-lp150.2.3.1

libxkbcommon-devel-0.8.2-lp150.2.3.1

libxkbcommon-x11-0-0.8.2-lp150.2.3.1

libxkbcommon-x11-0-debuginfo-0.8.2-lp150.2.3.1

libxkbcommon-x11-devel-0.8.2-lp150.2.3.1

libxkbcommon0-0.8.2-lp150.2.3.1

libxkbcommon0-debuginfo-0.8.2-lp150.2.3.1

- openSUSE Leap 15.0 (x86_64):

libxkbcommon-devel-32bit-0.8.2-lp150.2.3.1

libxkbcommon-x11-0-32bit-0.8.2-lp150.2.3.1

libxkbcommon-x11-0-32bit-debuginfo-0.8.2-lp150.2.3.1

libxkbcommon-x11-devel-32bit-0.8.2-lp150.2.3.1

libxkbcommon0-32bit-0.8.2-lp150.2.3.1

libxkbcommon0-32bit-debuginfo-0.8.2-lp150.2.3.1

References

https://www.suse.com/security/cve/CVE-2018-15853.html

https://www.suse.com/security/cve/CVE-2018-15854.html

https://www.suse.com/security/cve/CVE-2018-15855.html

https://www.suse.com/security/cve/CVE-2018-15856.html

https://www.suse.com/security/cve/CVE-2018-15857.html

https://www.suse.com/security/cve/CVE-2018-15858.html

https://www.suse.com/security/cve/CVE-2018-15859.html

https://www.suse.com/security/cve/CVE-2018-15861.html

https://www.suse.com/security/cve/CVE-2018-15862.html

https://www.suse.com/security/cve/CVE-2018-15863.html

https://www.suse.com/security/cve/CVE-2018-15864.html

https://bugzilla.suse.com/1105832

--

Severity
low
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2018:3802-1
Rating: low
Affected Products: openSUSE Leap 15.0

Topics%20covered

Topics Covered

security advisory security update low severity crash risk openSUSE libxkbcommon

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