CVE-2024-22318: IBM i Access Client Solutions information disclosure
First published: Wed Feb 07 2024(Updated: )
IBM i Access Client Solutions (ACS) 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.4 is vulnerable to NT LAN Manager (NTLM) hash disclosure by an attacker modifying UNC capable paths within ACS configuration files to point to a hostile server. If NTLM is enabled, the Windows operating system will try to authenticate using the current user's session. The hostile server could capture the NTLM hash information to obtain the user's credentials. IBM X-Force ID: 279091.
Credit: psirt@us.ibm.com hyp3rlinx
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM i Access | >=1.1.2<=1.1.4 | |
| IBM i Access | >=1.1.4.3<=1.1.9.4 | |
| IBM i Access | <=1.1.2 - 1.1.4,1.1.4.3 - 1.1.9.4 |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/279091
- https://www.ibm.com/support/pages/node/7116091 (Advisory)
- http://packetstormsecurity.com/files/177069/IBM-i-Access-Client-Solutions-Remote-Credential-Theft.html
- http://seclists.org/fulldisclosure/2024/Feb/7
- https://www.exploit-db.com/exploits/51817
Frequently Asked Questions
What is the severity of CVE-2024-22318?
CVE-2024-22318 is classified as a high severity vulnerability due to the risk of NTLM hash disclosure.
How do I fix CVE-2024-22318?
To fix CVE-2024-22318, ensure that NTLM is disabled or implement stricter access controls and configurations.
What versions of IBM i Access Client Solutions are affected by CVE-2024-22318?
CVE-2024-22318 affects IBM i Access Client Solutions versions 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.4.
What is the impact of CVE-2024-22318 on user credentials?
CVE-2024-22318 allows attackers to potentially disclose NTLM hashes, which can lead to credential theft.
Is there a workaround for CVE-2024-22318 if immediate patching is not possible?
A temporary workaround for CVE-2024-22318 is to disable NTLM authentication in the affected environments.
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