CVE-2022-40757 Denial of service in n/a
A trusted application can cause a Denial of Service in Samsung mTower by passing an excessive size value to the TEE_MACComputeFinal function.
- 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-2022-40757?
CVE-2022-40757 is a high-severity denial of service vulnerability in n/a, published on 16 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACComputeFinal function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_MACComputeFinal with an excessive size value of messageLen.
Weakness: CWE-119
Which versions are affected by CVE-2022-40757?
It affects 1 product.
Products include Samsung Mtower.
How do I fix CVE-2022-40757?
No fix has been published for CVE-2022-40757 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-40757 being exploited?
There is no known exploitation of CVE-2022-40757 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4jvg-v6c8-xfqg.