US Cybersecurity and Infrastructure Security Agency (CISA) added the critical flaw CVE-2018-14667 (CVSS score 9.8) affecting Red Hat JBoss RichFaces Framework to its Known Exploited Vulnerabilities Catalog.
The issue is an Expression Language (EL) injection via the UserResource resource, it affects RichFaces Framework 3.X through 3.3.4. A remote, unauthenticated attacker could exploit this vulnerability to execute arbitrary code using a chain of java serialized objects via org.ajax4jsf.resource.UserResource$UriData.
The vulnerability was discovered by the security researcher Joao Filho Matos Figueiredo.
According to Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities, FCEB agencies have to address the identified vulnerabilities by the due date to protect their networks against attacks exploiting the flaws in the catalog.
Experts recommend also private organizations review the Catalog and address the vulnerabilities in their infrastructure.
CISA orders federal agencies to fix this flaw by October 19, 2023.