Denial of service in Huawei CloudEngine products



Published: 2022-01-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-40042
CWE-ID CWE-763
Exploitation vector Network
Public exploit N/A
Vulnerable software
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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

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Release of invalid pointer or reference

EUVDB-ID: #VU59870

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-40042

CWE-ID: CWE-763 - Release of invalid pointer or reference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a release of invalid pointer in Huawei OptiX OSN 9800 U32 product. A remote authenticated attacker can send specially crafted messages and cause a denial of service condition in th target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei CloudEngine 12800: V200R019C10SPC800 - V200R019C10SPC900

Huawei CloudEngine 5800: V200R019C10SPC800 - V200R020C00SPC600

Huawei CloudEngine 6800: V200R019C10SPC800 - V300R020C00SPC200

Huawei CloudEngine 7800: V200R019C10SPC800

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220112-01-invalid-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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



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