#VU24421 Improper input validation in Oracle Database Server - CVE-2020-2527

Vulnerability identifier: #VU24421

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2020-2527

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Oracle Database Server
Server applications / Database software

Vendor: Oracle

Description

The vulnerability allows a remote privileged user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Core RDBMS in Oracle Database Server. A remote privileged user can exploit this vulnerability to gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle Database Server: 11.2.0.4 - 19c

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External links
https://www.oracle.com/security-alerts/cpujan2020.html

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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. However, proof of concept for this vulnerability is available.