#VU84799 Untrusted search path in SupportAssist for Home PCs - CVE-2023-48670

Vulnerability identifier: #VU84799

Vulnerability risk: Low

CVSSv4.0: 8.5 [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:A/U:Clear]

CVE-ID: CVE-2023-48670

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SupportAssist for Home PCs
Other software / Other software solutions

Vendor: Dell

Description

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

The vulnerability exists due to usage of an untrusted search path in the application installer. A local user can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SupportAssist for Home PCs: before 3.14.2.49747

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External links
https://www.dell.com/support/kbdoc/en-us/000220677/dsa-2023-468-security-update-for-dell-supportassist-for-home-pcs-installer-file-local-privilege-escalation-vulnerability

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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?

Yes. This vulnerability is being exploited in the wild.