Vulnerability identifier: #VU58750

Vulnerability 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-2021-40008

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
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

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak while parse a series of crafted binary messages. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei CloudEngine 12800: V200R019C00SPC800

Huawei CloudEngine 5800: V200R019C00SPC800

Huawei CloudEngine 6800: V200R019C00SPC800

Huawei CloudEngine 7800: V200R019C00SPC800

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211208-01-memleak-en

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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