Advisory Details

April 16th, 2020

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

ZDI-20-504
ZDI-CAN-10341

CVE ID CVE-2020-2883
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. Crafted data in a T3 protocol message can trigger the deserialization of untrusted data. 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/cpuapr2020.html
DISCLOSURE TIMELINE
  • 2020-02-12 - Vulnerability reported to vendor
  • 2020-04-16 - Coordinated public release of advisory
CREDIT Quynh Le of VNPT ISC
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