Improper Handling of Length Parameter Inconsistency in mTower - CVE-2022-40760

 

Improper Handling of Length Parameter Inconsistency in mTower - CVE-2022-40760

Published: September 21, 2022


Vulnerability identifier: #VU67542
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-40760
CWE-ID: CWE-130
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Samsung
Affected software:
mTower

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of length value in TEE_MACUpdate, TEE_MACComputeFinal and TEE_CipherUpdate functions. A remote attacker can invoke the function TEE_MACUpdate with an excessive size value of chunkSize and cause a denial of service condition on the target system.


How to mitigate CVE-2022-40760

Install updates from vendor's website.

Sources