ESB-2018.2273 - [UNIX/Linux][Ubuntu] libxcursor: Execute arbitrary code/commands - Remote with user interaction 2018-08-07

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2273
                         libxcursor vulnerability
                               7 August 2018

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

Product:           libxcursor
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-9262  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3729-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running libxcursor check for an updated version of the software for
         their operating system.

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USN-3729-1: libxcursor vulnerability

6 August 2018

libxcursor vulnerability

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

Ubuntu 16.04 LTS

Ubuntu 14.04 LTS

Summary

libxcursor could be made to crash or run programs if it opened a specially 
crafted file.

Software Description

libxcursor - X11 cursor management library

Details

It was discovered that libxcursor incorrectly handled certain files. An 
attacker could possibly use this issue to cause a denial of service.

Update instructions

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

Ubuntu 16.04 LTS

libxcursor1 - 1:1.1.14-1ubuntu0.16.04.2

Ubuntu 14.04 LTS

libxcursor1 - 1:1.1.14-1ubuntu0.14.04.2

To update your system, please follow these instructions: 
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make all 
the necessary changes.

References

CVE-2015-9262

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