Denial of service in Apache Struts - CVE-2017-9793

 

Denial of service in Apache Struts - CVE-2017-9793

Published: September 6, 2017 / Updated: September 11, 2017


Vulnerability identifier: #VU8112
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-9793
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.

The weakness exists due to an error when using outdated XStream library with the Struts REST plugin. A remote attacker can send a a specially crafted request with XML payload and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-9793

The vulnerability is addressed in the following versions: 2.5.13 and 2.3.34.

Sources