Advisory Details

January 15th, 2020

Oracle WebLogic Server T3 Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVE ID	CVE-2020-2555
CVSS SCORE	9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Oracle
AFFECTED PRODUCTS	WebLogic
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle WebLogic. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the T3 protocol on TCP port 7001. When deserializing objects embedded with T3 protocol messages, the server allows deserialization of classes that may lead to arbitrary code execution. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Oracle has issued an update to correct this vulnerability. More details can be found at: https://www.oracle.com/security-alerts/cpujan2020.html
DISCLOSURE TIMELINE	2019-10-22 - Vulnerability reported to vendor 2020-01-15 - Coordinated public release of advisory
CREDIT	Jang from VNPT ISC

BACK TO ADVISORIES