Buffer overflow in Huawei products - CVE-2020-9101

Vulnerability identifier: #VU30118

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-9101

CWE-ID: CWE-119

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error. A remote attacker on the local network can send a specially crafted packets with specific parameter, trigger memory corruption and cause a denial of service condition on the target system.

USG9500
Huawei Secospace USG6600
Huawei Secospace USG6300
Huawei Secospace USG6500
Huawei IPS Module
Huawei NGFW Module

Install updates from vendor's website.

USG9500 - update to V500R005C20SPC500
Huawei Secospace USG6600 - update to V500R005C20SPC500
Huawei Secospace USG6300 - update to V500R005C20SPC500
Huawei Secospace USG6500 - update to V500R005C20SPC500
Huawei IPS Module - update to V500R005C20SPC500
Huawei NGFW Module - update to V500R005C20SPC500

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-01-outofboundswrite-en

• Multiple vulnerabilities in Several Huawei Products