CVE-2023-42125 Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability
Local attackers can escalate privileges to SYSTEM by exploiting a symbolic link flaw in the sandbox protection feature.
- 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-2023-42125?
CVE-2023-42125 is a high-severity vulnerability in Avast Premium Security, 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
Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. 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 implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. . Was ZDI-CAN-20383.
Which versions are affected by CVE-2023-42125?
It affects 1 product.
Products include Avast Premium Security.
How do I fix CVE-2023-42125?
No fix has been published for CVE-2023-42125 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-42125 being exploited?
There is no known exploitation of CVE-2023-42125 in the wild and no public exploit code.
Other vulnerabilities in Avast Premium Security
Sources
Also known as GHSA-665q-2m8r-wpx6.