openSUSE Security Update : X Window System client libraries (openSUSE-2016-1214)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote openSUSE host is missing a security update.

Description :

This update for the X Window System client libraries fixes a class of
privilege escalation issues.

A malicious X Server could send specially crafted data to X clients,
which allowed for triggering crashes, or privilege escalation if this
relationship was untrusted or crossed user or permission level
boundaries.

libX11, libXfixes, libXi, libXrandr, libXrender, libXtst, libXv,
libXvMC were fixed, specifically :

libX11 :

- CVE-2016-7942: insufficient validation of data from the
X server allowed out of boundary memory read
(bsc#1002991)

libXfixes :

- CVE-2016-7944: insufficient validation of data from the
X server can cause an integer overflow on 32 bit
architectures (bsc#1002995)

libXi :

- CVE-2016-7945, CVE-2016-7946: insufficient validation of
data from the X server can cause out of boundary memory
access or endless loops (Denial of Service)
(bsc#1002998)

libXtst :

- CVE-2016-7951, CVE-2016-7952: insufficient validation of
data from the X server can cause out of boundary memory
access or endless loops (Denial of Service)
(bsc#1003012)

libXv :

- CVE-2016-5407: insufficient validation of data from the
X server can cause out of boundary memory and memory
corruption (bsc#1003017)

libXvMC :

- CVE-2016-7953: insufficient validation of data from the
X server can cause a one byte buffer read underrun
(bsc#1003023)

libXrender :

- CVE-2016-7949, CVE-2016-7950: insufficient validation of
data from the X server can cause out of boundary memory
writes (bsc#1003002)

libXrandr :

- CVE-2016-7947, CVE-2016-7948: insufficient validation of
data from the X server can cause out of boundary memory
writes (bsc#1003000)

This update was imported from the SUSE:SLE-12:Update update project.

See also :

https://bugzilla.opensuse.org/show_bug.cgi?id=1002991
https://bugzilla.opensuse.org/show_bug.cgi?id=1002995
https://bugzilla.opensuse.org/show_bug.cgi?id=1002998
https://bugzilla.opensuse.org/show_bug.cgi?id=1003000
https://bugzilla.opensuse.org/show_bug.cgi?id=1003002
https://bugzilla.opensuse.org/show_bug.cgi?id=1003012
https://bugzilla.opensuse.org/show_bug.cgi?id=1003017
https://bugzilla.opensuse.org/show_bug.cgi?id=1003023

Solution :

Update the affected X Window System client libraries packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

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