CVE-2023-42099 Intel Driver & Support Assistant Link Following Local Privilege Escalation Vulnerability

High 7.8 Published 3 May 2024 Updated 15 Aug 2024

Local attackers can escalate privileges to SYSTEM by exploiting a symbolic link flaw in the Intel Driver & Support Assistant service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-42099?

CVE-2023-42099 is a high-severity path traversal vulnerability in Intel Driver & Support Assistant, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Intel Driver & Support Assistant Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Intel Driver & Support Assistant. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the DSA Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-21846.

Weakness: CWE-59

Which versions are affected by CVE-2023-42099?

It affects 1 product.

Products include Intel Driver \& Support Assistant.

How do I fix CVE-2023-42099?

No fix has been published for CVE-2023-42099 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-42099 being exploited?

There is no known exploitation of CVE-2023-42099 in the wild and no public exploit code.

Sources

Also known as GHSA-f48q-jhqh-wvcv.