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Sicherheit: Mehrere Probleme in gd
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in gd
ID: USN-2987-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.10, Ubuntu 16.04 LTS
Datum: Di, 31. Mai 2016, 23:26
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9709
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8874
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2497
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3074
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8877

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==========================================================================
Ubuntu Security Notice USN-2987-1
May 31, 2016

libgd2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

The GD library could be made to crash or run programs if it processed a
specially crafted image file.

Software Description:
- libgd2: GD Graphics Library

Details:

It was discovered that the GD library incorrectly handled certain color
tables in XPM images. If a user or automated system were tricked into
processing a specially crafted XPM image, an attacker could cause a denial
of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2014-2497)

It was discovered that the GD library incorrectly handled certain malformed
GIF images. If a user or automated system were tricked into processing a
specially crafted GIF image, an attacker could cause a denial of service.
This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2014-9709)

It was discovered that the GD library incorrectly handled memory when using
gdImageFillToBorder(). A remote attacker could possibly use this issue to
cause a denial of service. (CVE-2015-8874)

It was discovered that the GD library incorrectly handled memory when using
gdImageScaleTwoPass(). A remote attacker could possibly use this issue to
cause a denial of service. This issue only applied to Ubuntu 14.04 LTS,
Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2015-8877)

Hans Jerry Illikainen discovered that the GD library incorrectly handled
certain malformed GD images. If a user or automated system were tricked
into processing a specially crafted GD image, an attacker could cause a
denial of service or possibly execute arbitrary code. (CVE-2016-3074)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
libgd3 2.1.1-4ubuntu0.16.04.1

Ubuntu 15.10:
libgd3 2.1.1-4ubuntu0.15.10.1

Ubuntu 14.04 LTS:
libgd3 2.1.0-3ubuntu0.1

Ubuntu 12.04 LTS:
libgd2-noxpm 2.0.36~rc1~dfsg-6ubuntu2.1
libgd2-xpm 2.0.36~rc1~dfsg-6ubuntu2.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2987-1
CVE-2014-2497, CVE-2014-9709, CVE-2015-8874, CVE-2015-8877,
CVE-2016-3074

Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.1
https://launchpad.net/ubuntu/+source/libgd2/2.0.36~rc1~dfsg-6ubuntu2.1



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