SB2019123147 - Out-of-bounds read in opensc (Alpine package)



SB2019123147 - Out-of-bounds read in opensc (Alpine package)

Published: December 31, 2019

Security Bulletin ID SB2019123147
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2019-19479)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when parsing SETCOS file attribute in libopensc/card-setcos.c. A local user can pass specially crafted file to the application, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.