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: 6.9 [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]
CVE-ID: CVE-2017-9793
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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The weakness exists due to an error when using outdated XStream library with the Struts REST plugin.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.

Affected software

Apache Struts
Cisco Emergency Responder

How to mitigate CVE-2017-9793

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


External References

Related Security Bulletins