SB2020051120 - Multiple vulnerabilities in Several Huawei Products

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication (CVE-ID: CVE-2020-9099)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and obtain certain permissions on the target device.

2) Buffer overflow (CVE-ID: CVE-2020-9101)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 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/E:U/U:Clear

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.

Remediation

Install update from vendor's website.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200506-02-authentication-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-01-outofboundswrite-en