#VU86716 Observable Response Discrepancy in IBM Common Licensing - CVE-2023-50306

Vulnerability identifier: #VU86716

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-50306

CWE-ID: CWE-204

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
IBM Common Licensing
Server applications / Other server solutions

Vendor: IBM Corporation

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A local user can enumerate usernames due to an observable response discrepancy to gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM Common Licensing: 9.0

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External links
https://www.ibm.com/support/pages/node/7120660
https://exchange.xforce.ibmcloud.com/vulnerabilities/273337

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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