Vulnerability identifier: #VU24425

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2517

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle Database Server
Server applications / Database software

Vendor: Oracle

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the Database Gateway for ODBC in Oracle Database Server. A remote user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle Database Server: 11.2.0.4 - 19c

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External links
http://www.oracle.com/security-alerts/cpujan2020.html
http://seclists.org/fulldisclosure/2021/Feb/13

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.