Main Vulnerability Database Vulnerabilities #VU71317

Code Injection in Oracle WebLogic Server - CVE-2023-21838

Published: January 18, 2023 / Updated: March 16, 2023

Vulnerability identifier: #VU71317

CSH Severity: Critical

CVSS v4: 9.3 [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]

CVE-ID: CVE-2023-21838

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to compromise the affected system.

The vulnerability exists due to improper input validation within the ForeignOpaqueReference class. A remote non-authenticated attacker can perform JNDI injection and execute arbitrary Java code on the system.

Affected software

Oracle WebLogic Server
RSA Authentication Manager

How to mitigate CVE-2023-21838

Install updates from vendor's website.

RSA Authentication Manager - update to 8.7 Patch 3

External References

https://www.oracle.com/security-alerts/cpujan2023.html
https://www.zerodayinitiative.com/advisories/ZDI-23-118/
https://www.zerodayinitiative.com/advisories/ZDI-23-241/

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