Denial of service in Some Huawei Products



Published: 2020-04-16

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU26972

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9071

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

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 condition when parsing certain message. A remote authenticated attacker can send specially crafted messages to the device, 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

Huawei AR120-S: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR1200: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR1200-S: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR150: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR150-S: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR160: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR200: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR200-S: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR2200: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR2200-S: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR3200: V200R007C00 - V200R007C00SPCc00

Huawei AR3600: V200R007C00SPC900 - V200R007C00SPCc00

Huawei AR510: V200R007C00SPC900

Huawei NetEngine16EX: V200R007C00SPC900 - V200R007C00SPCc00

Huawei SRG1300: V200R007C00SPC900 - V200R007C00SPCc00

Huawei SRG2300: V200R007C00SPC900 - V200R007C00SPCc00

Huawei SRG3300: V200R007C00SPC900 - V200R007C00SPCc00

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-01-oob-en


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device 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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