#VU63969 Buffer overflow in Carrier products - CVE-2022-31482

Vulnerability identifier: #VU63969

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-31482

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted HTTP request, trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LNL-X2210: before 1.29

LNL-X2220: before 1.29

LNL-X3300: before 1.29

LNL-X4420: before 1.29

LNL-4420: before 1.29

S2-LP-1501: before 1.29

S2-LP-4502: before 1.29

S2-LP-2500: before 1.29

S2-LP-1502: before 1.29

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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.