Buffer overflow in Samsung Mtower
CVE-2022-40760
A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_MACUpdate with an excessive size value of chunkSize.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.014 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/Samsung/mTower/issues/81 (Third Party Advisory)
- github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib… (Patch, Third Party Advisory)
- github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/crypto/… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-40760?
- CVE-2022-40760 is a high-severity vulnerability in Samsung Mtower, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2022-09-16.
- How severe is CVE-2022-40760?
- High severity. CVSS v3 base score is 7.5 out of 10.