SB2020052022 - Multiple vulnerabilities in Huawei E6878-370

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2020-1799)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when the software references memory after it has been freed. A remote attacker on the local network can do a series of crafted operations through web portal, cause a use-after-free condition and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

2) Stack-based buffer overflow (CVE-ID: CVE-2020-1832)

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker on the local network can send a specially crafted message, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200520-01-uaf-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-stack-en