SB2017121221 - Denial of service in libraw



SB2017121221 - Denial of service in libraw

Published: December 12, 2017

Security Bulletin ID SB2017121221
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2017-16909)

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to incorrect handling of photo files. A local attacker can send specially crafted files, trigger heap-buffer overflow in the LibRaw::panasonic_load_raw() function and cause the service to crash.

2) Out-of-bounds read (CVE-ID: CVE-2017-16910)

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to incorrect handling of photo files. A local attacker can send specially crafted files, trigger invalid read memory access in the LibRaw::xtrans_interpolate() function and cause the service to crash.

Remediation

Install update from vendor's website.