Ubuntu: 3176-1 Moderate: PCSC-Lite Denial Of Service Threat

ubuntu

January 23, 2017

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

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.

Topics Covered

security advisory denial of service code execution ubuntu pcsc-lite

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.