Deserialization of untrusted data in Apache Wicket - CVE-2016-6793

 

Deserialization of untrusted data in Apache Wicket - CVE-2016-6793

Published: September 22, 2017 / Updated: September 22, 2017


Vulnerability identifier: #VU8587
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-2016-6793
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Wicket

Detailed vulnerability description

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

The weakness exists due to a deserialization error in the DiskFileItem class. A remote attacker can send specially crafted data, trigger infinite loop if the client attempts to write on the DeferredFileOutputStream attribute and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2016-6793

The vulnerability is addressed in the following versions: 1.5.17, 6.25.0.

Sources