Vulnerability Details : CVE-2022-40758
A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_CipherUpdate with an excessive size value of srcLen.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2022-40758
- cpe:2.3:a:samsung:mtower:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-40758
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-40758
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-40758
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-40758
-
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1224
mTower/tee_api_operations.c at efd36709306a9afcca5b4782499d01be0c7a02a5 · Samsung/mTower · GitHubPatch;Third Party Advisory
-
https://github.com/Samsung/mTower/issues/81
Security: Buffer Access with Incorrect Length Value in TEE_MACUpdate, TEE_MACComputeFinal and TEE_CipherUpdate · Issue #81 · Samsung/mTower · GitHubThird Party Advisory
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