Denial of service in Several Huawei Products



Published: 2021-10-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22340
CWE-ID CWE-362
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		FusionCompute
Client/Desktop applications / Other client software

ManageOne
Other software / Other software solutions

NFV_FusionSphere
Hardware solutions / Firmware

Huawei SMC2.0
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Huawei

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Race condition

EUVDB-ID: #VU57582

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22340

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition. A local administrator can exploit the race and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FusionCompute: 8.0 RC3 ARM - 8.0.0 ARM

ManageOne: 6.5.0.SPC100.B220 - 8.0.1

NFV_FusionSphere: 8.0.0 - V100R006C50SPH218

Huawei SMC2.0: V600R019C10SPC700 - V600R019C10SPC951

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210428-01-racecondition-en


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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