USN-3176-1: PCSC-Lite vulnerability

Publication date

23 January 2017

Overview

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


Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.10 yakkety pcscd –  1.8.14-1ubuntu1.16.10.1
16.04 xenial pcscd –  1.8.14-1ubuntu1.16.04.1
14.04 trusty pcscd –  1.8.10-1ubuntu1.1
12.04 precise pcscd –  1.7.4-2ubuntu2.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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