#VU69508 Untrusted search path in IBM i Access Client Solutions - CVE-2022-40746

Vulnerability identifier: #VU69508

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-40746

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
IBM i Access Client Solutions
Client/Desktop applications / Software for system administration

Vendor: IBM Corporation

Description

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

The vulnerability exists due to insecure search path when loading .dll files. A local user can place a specially crafted .dll file in the current working application directory and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM i Access Client Solutions: before 1.1.9.1

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External links
https://exchange.xforce.ibmcloud.com/vulnerabilities/236581
https://www.ibm.com/support/pages/node/6840359

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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.