Multiple vulnerabilities in Communications Unified Assurance

Published: 2024-01-17

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-42794 CVE-2023-31122
CWE-ID	CWE-749 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Communications Unified Assurance Server applications / Conferencing, Collaboration and VoIP solutions
Vendor	Oracle

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Exposed dangerous method or function

EUVDB-ID: #VU81803

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-42794

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to Tomcat's internal fork of a Commons FileUpload included an unreleased, in progress refactoring that exposed a potential denial of service on Windows. A remote attacker can perform a denial of service attack by uploading multiple files to the server that are not removed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Communications Unified Assurance: 5.5.0 - 6.0.3

CPE2.3

External links

https://www.oracle.com/security-alerts/cpujan2024.html?970495

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Out-of-bounds read

EUVDB-ID: #VU82248