Advisory Details

February 24th, 2023

Oracle WebRTC Session Controller parseCert Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVE ID	CVE-2023-21890
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	WebRTC Session Controller
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle WebRTC Session Controller. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parseCert function. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.
ADDITIONAL DETAILS	Oracle has issued an update to correct this vulnerability. More details can be found at: https://www.oracle.com/security-alerts/cpujan2023.html
DISCLOSURE TIMELINE	2022-10-26 - Vulnerability reported to vendor 2023-02-24 - Coordinated public release of advisory
CREDIT	Peter Mularien, Nightcrawler Security, LLC

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