SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-14667

Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability

KEVCRITICAL 9.8EPSS 74.2%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 19 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression Language (EL) injection via the UserResource resource. A remote, unauthenticated attacker could exploit this to execute arbitrary code using a chain of java serialized objects via org.ajax4jsf.resource.UserResource$UriData.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
74.17% probability · 99th percentile
CISA KEV
Listed 28 September 2023 · due 19 October 2023
Weakness
CWE-94
Affected
redhat/richfaces · redhat/enterprise linux
Source
secalert@redhat.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14667; https://nvd.nist.gov/vuln/detail/CVE-2018-14667

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.