CVE-2022-40760

Published: Sep 16, 2022Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (1)

Products: Samsung: Mtower

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Samsung Mtower	Up to 0.3.0

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

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.

References (6)

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/crypto/libtomcrypt/include/tomcrypt_hash.h#L397

Source: cve@mitre.org

PatchThird Party Advisory

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1188

Source: cve@mitre.org

PatchThird Party Advisory

https://github.com/Samsung/mTower/issues/81

Source: cve@mitre.org

Third Party Advisory

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/crypto/libtomcrypt/include/tomcrypt_hash.h#L397

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1188

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/Samsung/mTower/issues/81

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.