CVE-2020-9117 Memory corruption in HUAWEI nova 4;SydneyM-AL00
Attackers with specific permissions can cause information leakage or arbitrary code execution via malformed packets due to out-of-bounds read and write flaws.
- 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-2020-9117?
CVE-2020-9117 is a high-severity memory corruption vulnerability in HUAWEI nova 4;SydneyM-AL00, published on 1 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
HUAWEI nova 4 versions earlier than 10.0.0.165(C01E34R2P4) and SydneyM-AL00 versions earlier than 10.0.0.165(C00E66R1P5) have an out-of-bounds read and write vulnerability. An attacker with specific permissions crafts malformed packet with specific parameter and sends the packet to the affected products. Due to insufficient validation of packet, which may be exploited to cause the information leakage or arbitrary code execution.
Which versions are affected by CVE-2020-9117?
It affects 2 products.
Products include Huawei Nova 4 Firmware, Huawei Sydneym-Al00 Firmware.
How do I fix CVE-2020-9117?
No fix has been published for CVE-2020-9117 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-2020-9117 being exploited?
There is no known exploitation of CVE-2020-9117 in the wild and no public exploit code.
Sources
Also known as GHSA-xvxg-wp8f-g8h4.