Heap-based buffer overflow in SeaConnect 370W - CVE-2021-21962

 

Heap-based buffer overflow in SeaConnect 370W - CVE-2021-21962

Published: February 7, 2022


Vulnerability identifier: #VU60338
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21962
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Sealevel Systems
Affected software:
SeaConnect 370W

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 in the OTA Update u-download functionality. A remote attacker can perform a man-in-the-middle attack, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-21962

Install updates from vendor's website.

Sources