Oracle Coherence Remote Code Execution Vulnerability (CVE-2020-2915) Threat Alert

Oracle Coherence Remote Code Execution Vulnerability (CVE-2020-2915) Threat Alert

abril 28, 2020 | Mina Hao

Overview

On April 14, local time, Oracle released the April Critical Patch Update (CPU) which fixes vulnerabilities that include a critical one (CVE-2020-2915) in Oracle Coherence CPU, with a CVSS score of 9.8.

This vulnerability allows unauthenticated attackers with network access via T3 to compromise vulnerable Oracle Coherence. Successful exploitation of it could result in takeover of Oracle Coherence, hence remote code execution.

Products that use Oracle Coherence are affected by this vulnerability. The installation package of WebLogic Server 11g Release (10.3.4) and later has the Oracle Coherence library integrated by default.

Reference link:

https://www.oracle.com/security-alerts/cpuapr2020.html

Affected Versions

  • Oracle Coherence 3.7.1.0
  • Oracle Coherence 12.1.3.0.0
  • Oracle Coherence 12.2.1.3.0
  • Oracle Coherence 12.2.1.4.0

Solution

Oracle has released patches to fix the vulnerability in question. Affected users should visit the official security bulletin link to download related patches as soon as possible and apply them as indicated in the readme file to ensure long-term effective protection.

Note: Official patches of Oracle can be downloaded only by those with a licensed account of the software. Such users can use that account to log in to https://support.oracle.com to obtain the latest patch.

Mitigation:

If users cannot install patches for the time being, they can disable the T3 protocol to protect against this vulnerability:

https://www.oracle.com/security-alerts/cpuapr2020.html

Statement

This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.

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