#VU53361 Buffer overflow in Huawei products - CVE-2021-22362

Vulnerability identifier: #VU53361

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22362

CWE-ID: CWE-119

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Huawei CloudEngine 12800
Hardware solutions / Firmware
Huawei CloudEngine 5800
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei CloudEngine 6800
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei CloudEngine 7800
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

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 on the local network can send a specially crafted packet, trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei CloudEngine 12800: V200R002C50SPC800 - V200R019C10SPC800

Huawei CloudEngine 5800: V200R002C50SPC800 - V200R019C10SPC800

Huawei CloudEngine 6800: V200R002C50SPC800 - V200R019C10SPC800

Huawei CloudEngine 7800: V200R002C50SPC800 - V200R019C10SPC800

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-01-cloudengine-en

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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