Denial of service in Apache Struts - CVE-2017-7672

 

Denial of service in Apache Struts - CVE-2017-7672

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


Vulnerability identifier: #VU7893
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2017-7672
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Struts

Detailed vulnerability description

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.


How to mitigate CVE-2017-7672

Update to version 2.5.12.

Sources