CVE-2020-9240 Memory corruption in Taurus-AN00B

Medium 5.5 Published 12 Oct 2020 Updated 4 Aug 2024

Attackers can cause denial of service on Huawei Taurus-AN00B devices by exploiting a buffer overflow via specific requests.

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

What is CVE-2020-9240?

CVE-2020-9240 is a medium-severity memory corruption vulnerability in Taurus-AN00B, published on 12 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a buffer overflow vulnerability. A function in a module does not verify inputs sufficiently. Attackers can exploit this vulnerability by sending specific request. This could compromise normal service of the affected device.

Weakness: CWE-120

Which versions are affected by CVE-2020-9240?

It affects 1 product.

Products include Huawei Taurus-An00b Firmware.

How do I fix CVE-2020-9240?

No fix has been published for CVE-2020-9240 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-2020-9240 being exploited?

There is no known exploitation of CVE-2020-9240 in the wild and no public exploit code.

Sources

Also known as GHSA-xwgg-qxmh-jr24.