SB2016092617 - XXE attack in expat (Alpine package)



SB2016092617 - XXE attack in expat (Alpine package)

Published: September 26, 2016

Security Bulletin ID SB2016092617
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) XXE attack (CVE-ID: CVE-2016-4472)

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

The weakness exists due to the overflow protection in Expat is removed by compilers with certain optimization settings. A remote attacker can supply specially crafted XML data and cause the service to crash.

The vulnerability exists due to incomplete fix for CVE-2015-1283 and CVE-2015-2716.

Remediation

Install update from vendor's website.