Denial of service in Some Huawei Products

Published: 2021-10-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2021-37129
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Huawei IPS Module Server applications / IDS/IPS systems, Firewalls and proxy servers Huawei NIP6600 Server applications / IDS/IPS systems, Firewalls and proxy servers Huawei NGFW Module Server applications / Other server solutions Huawei S12700 Hardware solutions / Routers for home users Huawei S5700 Hardware solutions / Routers for home users Huawei S1700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S2700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S6700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S7700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S9700 Hardware solutions / Routers & switches, VoIP, GSM, etc USG9500 Hardware solutions / Routers & switches, VoIP, GSM, etc
Vendor	Huawei

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU57581

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37129

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

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 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 IPS Module: V500R005C00 - V500R005C20

Huawei NGFW Module: V500R005C00

Huawei NIP6600: V500R005C00 - V500R005C20

Huawei S12700: V200R010C00SPC600 - V200R020C10

Huawei S1700: V200R010C00SPC600 - V200R011C10SPC600

Huawei S2700: V200R010C00SPC600 - V200R011C10SPC600

Huawei S5700: V200R010C00SPC600 - V200R019C00SPC500

Huawei S6700: V200R010C00SPC600 - V200R011C10SPC600

Huawei S7700: V200R010C00SPC600 - V200R011C10SPC600

Huawei S9700: V200R010C00SPC600 - V200R011C10SPC600

USG9500: V500R005C00 - V500R005C20

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211020-01-outofwrite-en

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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