PT-2023-2481 · Oracle · Oracle Weblogic Server

4Ra1N + 1 · Published 2023-04-18 · Updated 2024-09-16 · CVE-2023-21964

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Oracle WebLogic Server versions 12.2.1.3.0 through 12.2.1.4.0 Oracle WebLogic Server version 14.1.1.0.0

Description The issue allows an unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks can result in the unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. This is due to insufficient input validation in the Core component.

Recommendations For Oracle WebLogic Server versions 12.2.1.3.0 and 12.2.1.4.0, update to a version that fixes the issue. For Oracle WebLogic Server version 14.1.1.0.0, update to a version that fixes the issue. As a temporary workaround, consider restricting access to the T3 protocol to minimize the risk of exploitation.

Fix

DoS

Resource Exhaustion

RCE

Weakness Enumeration

CWE-400

CWE-20

Related Identifiers

BDU:2023-02272

CVE-2023-21964

Affected Products

Oracle Weblogic Server

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2023-21964 · Security Note
• https://bdu.fstec.ru/vul/2023-02272 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21964 · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2023.html · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2023041865 · Note
• https://t.me/cvenotify/94749 · Telegram Post
• https://vuldb.com/ru/?id.226555 · Note