PT-2022-25523 · Samsung · Mtower

C01Dkitop · Published 2022-09-16 · Updated 2022-09-21 · CVE-2022-40762

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 Memory Allocation with Excessive Size Value issue in the TEE Realloc function allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE Realloc with an excessive number for the parameter len.

Recommendations For Samsung mTower versions 0.3.0 and earlier, as a temporary workaround, consider restricting the use of the TEE Realloc function with large len values until a patch is available.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2022-40762

Affected Products

Mtower

References · 4

• https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api.c#L319 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-40762 · Security Note
• https://osv.dev/vulnerability/CVE-2022-40762 · Vendor Advisory
• https://github.com/Samsung/mTower/issues/82 · Note