CVE-2021-37909 CHANGING Inc. TSSServiSignAdapter Windows Versions - Improper Input Validation
Remote attackers can exploit improper input validation in the WriteRegistry function to rewrite the registry and execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-37909?
CVE-2021-37909 is a critical vulnerability in CHANGING Inc. TSSServiSignAdapter, published on 15 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WriteRegistry function in TSSServiSign component does not filter and verify users’ input, remote attackers can rewrite to the registry without permissions thus perform hijack attacks to execute arbitrary code.
Weakness: CWE-20
Which versions are affected by CVE-2021-37909?
It affects 1 product.
Products include Tssservisignadapter Project Tssservisignadapter.
How do I fix CVE-2021-37909?
No fix has been published for CVE-2021-37909 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-37909 being exploited?
There is no known exploitation of CVE-2021-37909 in the wild and no public exploit code.
Sources
Also known as GHSA-7wg8-6xc4-8gfw.