Deserialization of untrusted data in JBoss Richfaces - CVE-2018-14667

 

Deserialization of untrusted data in JBoss Richfaces - CVE-2018-14667

Published: November 6, 2018 / Updated: September 28, 2023


Vulnerability identifier: #VU15750
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2018-14667
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Red Hat Inc.
Affected software:
JBoss Richfaces

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to deserialization of untrusted data. A remote unauthenticated attacker can send a specially crafted UserResource RichFaces expression language that contains a tainted java serialized object org.ajax4jsf.resource.UserResource$UriData expression, trigger deserialization after clearing white list protections and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-14667

Install update from vendor's website.

Sources