#VU63968 Buffer overflow in Carrier products - CVE-2022-31481

Vulnerability identifier: #VU63968

Vulnerability risk: High

CVSSv4.0: 8.1 [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-2022-31481

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LNL-X2210
Hardware solutions / Firmware
LNL-X2220
Hardware solutions / Firmware
LNL-X3300
Hardware solutions / Firmware
LNL-X4420
Hardware solutions / Firmware
LNL-4420
Hardware solutions / Firmware
S2-LP-1501
Hardware solutions / Firmware
S2-LP-4502
Hardware solutions / Firmware
S2-LP-2500
Hardware solutions / Firmware
S2-LP-1502
Hardware solutions / Firmware

Vendor: Carrier

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted update file, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LNL-X2210: before 1.296

LNL-X2220: before 1.296

LNL-X3300: before 1.296

LNL-X4420: before 1.296

LNL-4420: before 1.296

S2-LP-1501: before 1.302

S2-LP-4502: before 1.302

S2-LP-2500: before 1.302

S2-LP-1502: before 1.302

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External links
https://ics-cert.us-cert.gov/advisories/icsa-22-153-01
https://www.corporate.carrier.com/Images/CARR-PSA-HID-Mercury-Vulnerabilities-006-0622_tcm558-170514...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.