SB2018010920 - Denial of service in Exiv2



SB2018010920 - Denial of service in Exiv2

Published: January 9, 2018 Updated: March 7, 2019

Security Bulletin ID SB2018010920
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer over-read (CVE-ID: CVE-2017-17724)

The vulnerability allows an remote unauthenticated attacker to cause DoS on the target system.

The weakness exists in the Exiv2::IptcData::printStructure function due to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted TIFF file, trigger heap-based buffer over-read and cause the service to crash.

Remediation

Install update from vendor's website.