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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.0202
                          PCSC-Lite vulnerability
                              24 January 2017

===========================================================================

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

Product:           pcscd
Publisher:         Ubuntu
Operating System:  Ubuntu
                   Linux variants
Impact/Access:     Root Compromise   -- Existing Account
                   Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-10109  

Reference:         ESB-2017.0041

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3176-1

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Ubuntu Security Notice USN-3176-1
January 23, 2017

pcsc-lite vulnerability

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

- - Ubuntu 16.10
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
- - Ubuntu 12.04 LTS

Summary:

PCSC-Lite could be made to crash or run programs as an administrator
if it received specially crafted input.

Software Description:
- - pcsc-lite: Middleware to access a smart card using PC/SC

Details:

Peter Wu discovered that the PC/SC service did not correctly handle certain
resources. A local attacker could use this issue to cause PC/SC to crash,
resulting in a denial of service, or possibly execute arbitrary code with
root privileges.

Update instructions:

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

Ubuntu 16.10:
  pcscd                           1.8.14-1ubuntu1.16.10.1

Ubuntu 16.04 LTS:
  pcscd                           1.8.14-1ubuntu1.16.04.1

Ubuntu 14.04 LTS:
  pcscd                           1.8.10-1ubuntu1.1

Ubuntu 12.04 LTS:
  pcscd                           1.7.4-2ubuntu2.1

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

References:
  http://www.ubuntu.com/usn/usn-3176-1
  CVE-2016-10109

Package Information:
  https://launchpad.net/ubuntu/+source/pcsc-lite/1.8.14-1ubuntu1.16.10.1
  https://launchpad.net/ubuntu/+source/pcsc-lite/1.8.14-1ubuntu1.16.04.1
  https://launchpad.net/ubuntu/+source/pcsc-lite/1.8.10-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/pcsc-lite/1.7.4-2ubuntu2.1

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