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Sicherheit: Mehrere Probleme in xorg-x11-libs
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in xorg-x11-libs
ID: SUSE-SU-2015:0674-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Server 11 SP3 for VMware, SUSE Linux Enterprise Server 11 SP3, SUSE Linux Enterprise Software Development Kit 11 SP3
Datum: Di, 7. April 2015, 23:30
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1802
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1803
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1804

Originalnachricht

   SUSE Security Update: Security update for xorg-x11-libs
______________________________________________________________________________

Announcement ID: SUSE-SU-2015:0674-1
Rating: important
References: #921978
Cross-References: CVE-2015-1802 CVE-2015-1803 CVE-2015-1804

Affected Products:
SUSE Linux Enterprise Software Development Kit 11 SP3
SUSE Linux Enterprise Server 11 SP3 for VMware
SUSE Linux Enterprise Server 11 SP3
SUSE Linux Enterprise Desktop 11 SP3
______________________________________________________________________________

An update that fixes three vulnerabilities is now available.

Description:


LibXFont was updated to fix security problems that could be used by local
attackers to gain X server privileges (root).

The following security issues have been fixed:

*

CVE-2015-1802: The bdf parser reads a count for the number of
properties defined in a font from the font file, and allocates arrays with
entries for each property based on that count. It never checked to see if
that count was negative, or large enough to overflow when multiplied by
the size of the structures being allocated, and could thus allocate the
wrong buffer size, leading to out of bounds writes.

*

CVE-2015-1803: If the bdf parser failed to parse the data for the
bitmap for any character, it would proceed with an invalid pointer to the
bitmap data and later crash when trying to read the bitmap from that
pointer.

*

CVE-2015-1804: The bdf parser read metrics values as 32-bit
integers, but stored them into 16-bit integers. Overflows could occur in
various operations leading to out-of-bounds memory access.

Security Issues:

* CVE-2015-1802
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1802>
* CVE-2015-1803
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1803>
* CVE-2015-1804
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1804>


Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Software Development Kit 11 SP3:

zypper in -t patch sdksp3-xorg-x11-devel=10487

- SUSE Linux Enterprise Server 11 SP3 for VMware:

zypper in -t patch slessp3-xorg-x11-devel=10487

- SUSE Linux Enterprise Server 11 SP3:

zypper in -t patch slessp3-xorg-x11-devel=10487

- SUSE Linux Enterprise Desktop 11 SP3:

zypper in -t patch sledsp3-xorg-x11-devel=10487

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Software Development Kit 11 SP3 (i586 ia64 ppc64
s390x x86_64):

xorg-x11-devel-7.4-8.26.44.1

- SUSE Linux Enterprise Software Development Kit 11 SP3 (ppc64 s390x
x86_64):

xorg-x11-devel-32bit-7.4-8.26.44.1

- SUSE Linux Enterprise Server 11 SP3 for VMware (i586 x86_64):

xorg-x11-libs-7.4-8.26.44.1

- SUSE Linux Enterprise Server 11 SP3 for VMware (x86_64):

xorg-x11-libs-32bit-7.4-8.26.44.1

- SUSE Linux Enterprise Server 11 SP3 (i586 ia64 ppc64 s390x x86_64):

xorg-x11-libs-7.4-8.26.44.1

- SUSE Linux Enterprise Server 11 SP3 (ppc64 s390x x86_64):

xorg-x11-libs-32bit-7.4-8.26.44.1

- SUSE Linux Enterprise Server 11 SP3 (ia64):

xorg-x11-libs-x86-7.4-8.26.44.1

- SUSE Linux Enterprise Desktop 11 SP3 (i586 x86_64):

xorg-x11-libs-7.4-8.26.44.1

- SUSE Linux Enterprise Desktop 11 SP3 (x86_64):

xorg-x11-libs-32bit-7.4-8.26.44.1


References:

https://www.suse.com/security/cve/CVE-2015-1802.html
https://www.suse.com/security/cve/CVE-2015-1803.html
https://www.suse.com/security/cve/CVE-2015-1804.html
https://bugzilla.suse.com/921978
https://download.suse.com/patch/finder/?keywords=9bf31baa0e7f2f9f6297b4bbb4c5bb16

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