Denial of service in several Huawei products

1) Out-of-bounds read

EUVDB-ID: #VU54179

Risk: Low

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22383

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the message-handling function. A remote administrator can trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

eCNS280_TD: V100R005C10

eSE620X vESS: V100R001C10SPC200 - V200R001C00SPC300

CPE2.3

• cpe:2.3:h:huawei:ecns280_td:V100R005C10:*:*:*:*:*:*:*
• cpe:2.3:h:huawei:ese620x_vess:V100R001C10SPC200:*:*:*:*:*:*:*
• cpe:2.3:h:huawei:ese620x_vess:V100R001C20SPC200:*:*:*:*:*:*:*
• cpe:2.3:h:huawei:ese620x_vess:V200R001C00SPC300:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210616-01-cgp-en

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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