CVE-2022-46306 ChangingTec ServiSign - Path Traversal
An unauthenticated attacker can trick a user into visiting a malicious site to load arbitrary DLLs via path traversal, enabling code execution and service disruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-46306?
CVE-2022-46306 is a high-severity path traversal vulnerability in ChangingTec ServiSign, published on 3 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
ChangingTec ServiSign component has a path traversal vulnerability due to insufficient filtering for special characters in the DLL file path. An unauthenticated remote attacker can host a malicious website for the component user to access, which triggers the component to load malicious DLL files under arbitrary file path and allows the attacker to perform arbitrary system operation and disrupt of service.
Weakness: CWE-22
Which versions are affected by CVE-2022-46306?
It affects 1 product.
Products include Changingtec Servisign.
How do I fix CVE-2022-46306?
No fix has been published for CVE-2022-46306 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-2022-46306 being exploited?
There is no known exploitation of CVE-2022-46306 in the wild and no public exploit code.
Other vulnerabilities in ChangingTec ServiSign
- CVE-2022-46304 ChangingTec ServiSign - Command Injection
- CVE-2020-3925 ServiSign Windows Versions- Remote Code Execution via LoadLibrary
- CVE-2020-3927 ServiSign Windows Versions- Arbitrary File Deletion
- CVE-2022-46305 ChangingTec ServiSign - Path Traversal
- CVE-2020-3926 ServiSign Windows Versions- Arbitrary File Access
Sources
Also known as GHSA-pjx5-jjh7-w9hw.