Buffer overflow in Huawei products - CVE-2021-22362

Vulnerability identifier: #VU53361

CSH Severity: Low

CVSS v4: 5.3 [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]

CVE-ID: CVE-2021-22362

CWE-ID: CWE-119

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

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.

Huawei CloudEngine 7800
Huawei CloudEngine 6800
Huawei CloudEngine 5800
Huawei CloudEngine 12800

Install updates from vendor's website.

Huawei CloudEngine 7800 - addressed in versions V200R005C10SPC800+V200R005SPH026, V200R019C10SPC800+V200R019SPH006
Huawei CloudEngine 12800 - addressed in versions V200R005C10SPC800 + V200R005SPH026, V200R019C10SPC800 + V200R019SPH006
Huawei CloudEngine 6800 - addressed in versions V200R005C10SPC800 + V200R005SPH026, V200R019C10SPC800 + V200R019SPH006
Huawei CloudEngine 5800 - addressed in versions V200R005C10SPC800 + V200R005SPH025, V200R019C10SPC800 + V200R019SPH006

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

• Denial of service in Huawei CloudEngine