CVE-2023-42125
03.05.2024, 03:15
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.
| Vendor | Product | Version |
|---|---|---|
| avast | premium_security | 22.12.6044 |
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= Vulnerable software versions
Common Weakness Enumeration
- CWE-706 - Use of Incorrectly-Resolved Name or ReferenceThe software uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.