SB2017080902 - Denial of service in Apache Struts



SB2017080902 - Denial of service in Apache Struts

Published: August 9, 2017 Updated: August 16, 2017

Security Bulletin ID SB2017080902
CSH 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 vulnerability.


1) Denial of service (CVE-ID: CVE-2017-7672)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to an error when processing malicious user-supplied data. A remote attacker can send specially crafted URL data to an application that accepts a user-provided URL in a form field and that processes the URL with the built-in URLValidator to overload the server process during validation.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.