PT-2022-25518 · Samsung · Samsung Mtower

Published 2022-09-16 · Updated 2022-09-21 · CVE-2022-40758

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Samsung mTower versions 0.3.0 and earlier

Description A Buffer Access with Incorrect Length Value issue in the TEE CipherUpdate function allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE CipherUpdate with an excessive size value of srcLen.

Recommendations For Samsung mTower versions 0.3.0 and earlier, as a temporary workaround, consider restricting the invocation of the TEE CipherUpdate function with excessive size values of srcLen to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2022-40758

Affected Products

Samsung Mtower

References · 4

• https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1224 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-40758 · Security Note
• https://osv.dev/vulnerability/CVE-2022-40758 · Vendor Advisory
• https://github.com/Samsung/mTower/issues/81 · Note