Denial of service in Huawei Products



Published: 2021-02-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22321
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Huawei NIP6300
Server applications / IDS/IPS systems, Firewalls and proxy servers

Huawei NIP6600
Server applications / IDS/IPS systems, Firewalls and proxy servers

Huawei NIP6800
Server applications / IDS/IPS systems, Firewalls and proxy servers

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

Huawei Secospace USG6300
Server applications / Server solutions for antivurus protection

Huawei Secospace USG6500
Server applications / Server solutions for antivurus protection

Huawei Secospace USG6600
Server applications / Server solutions for antivurus protection

Vendor Huawei

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU50910

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22321

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error. A remote attacker can cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei NIP6300: V500R001C30 - V500R001C60

Huawei NIP6600: V500R001C30

Huawei NIP6800: V500R001C60

Huawei S12700: V200R007C01 - V200R011C10

Huawei S1700: V200R009C00SPC200 - V200R011C10

Huawei S2700: V200R008C00 - V200R011C10

Huawei S5700: V200R008C00 - V200R011C10SPC100

Huawei S6700: V200R008C00 - V200R011C10SPC100

Huawei S7700: V200R008C00 - V200R011C10

Huawei S9700: V200R007C01 - V200R011C10

Huawei Secospace USG6300: V500R001C30 - V500R001C60

Huawei Secospace USG6500: V500R001C30 - V500R001C60

Huawei Secospace USG6600: V500R001C30 - V500R001C60

USG9500: V500R001C30 - V500R001C60

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-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.



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