CVE-2020-1832 Memory corruption in E6878-370

High 8.8 Published 29 May 2020 Updated 4 Aug 2024

A stack buffer overflow in Huawei E6878-370 devices allows adjacent network attackers to execute malicious code via crafted messages.

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-2020-1832?

CVE-2020-1832 is a high-severity memory corruption vulnerability in Huawei E6878-370, published on 29 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

E6878-370 products with versions of 10.0.3.1(H557SP27C233) and 10.0.3.1(H563SP1C00) have a stack buffer overflow vulnerability. The program copies an input buffer to an output buffer without verification. An attacker in the adjacent network could send a crafted message, successful exploit could lead to stack buffer overflow which may cause malicious code execution.

Weakness: CWE-787

Which versions are affected by CVE-2020-1832?

It affects 1 product.

Products include Huawei E6878-370 Firmware.

How do I fix CVE-2020-1832?

No fix has been published for CVE-2020-1832 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-1832 being exploited?

There is no known exploitation of CVE-2020-1832 in the wild and no public exploit code.

Sources

Also known as GHSA-f4fm-25px-642h.