ESB-2017.2362 - [Ubuntu] gdk-pixbuf: Multiple vulnerabilities 2017-09-19

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2362
                  USN-3418-1: GDK-PixBuf vulnerabilities
                             19 September 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           gdk-pixbuf
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-6311 CVE-2017-2870 CVE-2017-2862

Reference:         ESB-2017.2207

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3418-1

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USN-3418-1: GDK-PixBuf vulnerabilities
Ubuntu Security Notice USN-3418-1
18th September, 2017

gdk-pixbuf vulnerabilities

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

Ubuntu 17.04
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
Summary

GDK-PixBuf could be made to crash or run programs as your login if it opened 
a specially crafted file.

Software description

gdk-pixbuf - GDK Pixbuf library
Details

It was discovered that the GDK-PixBuf library did not properly handle
certain jpeg images. If an user or automated system were tricked into
opening a specially crafted jpeg file, a remote attacker could use this
flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2017-2862)

It was discovered that the GDK-PixBuf library did not properly handle
certain tiff images. If an user or automated system were tricked into
opening a specially crafted tiff file, a remote attacker could use this
flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2017-2870)

Ariel Zelivansky discovered that the GDK-PixBuf library did not properly
handle printing certain error messages. If an user or automated system were
tricked into opening a specially crafted image file, a remote attacker
could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of
service. (CVE-2017-6311)

Update instructions

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

Ubuntu 17.04:
libgdk-pixbuf2.0-0 2.36.5-3ubuntu0.2
Ubuntu 16.04 LTS:
libgdk-pixbuf2.0-0 2.32.2-1ubuntu1.3
Ubuntu 14.04 LTS:
libgdk-pixbuf2.0-0 2.30.7-0ubuntu1.7
To update your system, please follow these instructions: 
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart your session to make
all the necessary changes.

References

CVE-2017-2862, CVE-2017-2870, CVE-2017-6311

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