Stack-based buffer overflow in Garrett Metal Detectors iC Module CMA - CVE-2021-21903
Published: December 22, 2021
Vulnerability identifier: #VU59087
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21903
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Garrett Metal Detectors
Affected software:
Garrett Metal Detectors iC Module CMA
Garrett Metal Detectors iC Module CMA
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing UDP packets in the check_udp_crc() function of the CMA Connect software for Garrett PD 6500i and Garrett MZ 6100 models. A remote attacker can specially crafted packets to port 6877/UDP, trigger stack-based buffer overflow and execute arbitrary code on the target system.
How to mitigate CVE-2021-21903
Install updates from vendor's website.