Race condition in IBM MQ Appliance



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-28466
CWE-ID CWE-362
Exploitation vector Local
Public exploit N/A
Vulnerable software
 IBM MQ Appliance
Other software / Other software solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Race condition

EUVDB-ID: #VU74628

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-28466

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition caused by a missing lock_sock call within the do_tls_getsockopt() function in net/tls/tls_main.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM MQ Appliance: before 9.3.0.17

CPE2.3 External links

https://www.ibm.com/support/pages/node/7149483


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.



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