SB2017082505 - Denial of service in Apache Struts



SB2017082505 - Denial of service in Apache Struts

Published: August 25, 2017 Updated: September 11, 2017

Security Bulletin ID SB2017082505
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) Denial of service (CVE-ID: CVE-2017-9804)

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exists due to server process overload when performing validation of the URL. A remote attacker can supply a specially crafted URL in a form field to trigger an error in regular expression (regex) processin, consume excessive CPU resources and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Install update from vendor's website.