CVE-2020-1799 Use after free in E6878-370

High 7.5 Published 21 May 2020 Updated 4 Aug 2024

A use-after-free vulnerability in the Huawei E6878-370 web portal allows attackers to execute malicious code via crafted operations.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-1799?

CVE-2020-1799 is a high-severity use after free vulnerability in E6878-370, published on 21 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

E6878-370 with versions of 10.0.3.1(H557SP27C233), 10.0.3.1(H563SP1C00), 10.0.3.1(H563SP1C233) has a use after free vulnerability. The software references memory after it has been freed in certain scenario, the attacker does a series of crafted operations through web portal, successful exploit could cause a use after free condition which may lead to malicious code execution.

Weakness: CWE-416

Which versions are affected by CVE-2020-1799?

It affects 1 product.

Products include Huawei E6878-370 Firmware.

How do I fix CVE-2020-1799?

No fix has been published for CVE-2020-1799 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-1799 being exploited?

There is no known exploitation of CVE-2020-1799 in the wild and no public exploit code.

Sources

Also known as GHSA-x8g9-h939-cmr5.