#VU62511 Improper input validation in Oracle Communications Cloud Native Core Policy - CVE-2021-39140

Vulnerability identifier: #VU62511

Vulnerability risk: Medium

CVSSv4.0: 3.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Green]

CVE-ID: CVE-2021-39140

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle Communications Cloud Native Core Policy
Server applications / DLP, anti-spam, sniffers

Vendor: Oracle

Description

The vulnerability allows a remote authenticated user to a crash the entire system.

The vulnerability exists due to improper input validation within the Policy (XStream) component in Oracle Communications Cloud Native Core Policy. A remote authenticated user can exploit this vulnerability to a crash the entire system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Policy: 1.14.0

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External links
https://www.oracle.com/security-alerts/cpuapr2022.html

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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