#VU26910 Improper input validation in Oracle Database Server - CVE-2020-2734

Vulnerability identifier: #VU26910

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-2734

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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 RDBMS/Optimizer 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: 12.1.0.2 - 19c

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External links
https://www.oracle.com/security-alerts/cpuapr2020.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.