SB2020082612 - Multiple vulnerabilities in Huawei 4G Router B612

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2020-9085)

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can send specially crafted POST messages and perform a denial of service (DoS) attack.

2) Buffer overflow (CVE-ID: CVE-2020-9086)

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 special UPNP message, trigger memory corruption and cause a denial o service condition on the target system.

Remediation

Install update from vendor's website.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200826-01-pointer_en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200826-01-buffer_en