#VU87186 Insecure DLL loading in Cisco Secure Client for Linux - CVE-2024-20338

Vulnerability identifier: #VU87186

Vulnerability risk: Low

CVSSv4.0: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2024-20338

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Cisco Secure Client for Linux
Other software / Other software solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner in the ISE Posture (System Scan) module. A local user can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Secure Client for Linux: before 5.1.2.42

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External links
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-privesc-sYxQO6ds

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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. However, proof of concept for this vulnerability is available.