CVE-2021-22458 Memory corruption in HarmonyOS
Local attackers can exploit a buffer overflow in HarmonyOS to achieve arbitrary code execution.
- 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-2021-22458?
CVE-2021-22458 is a high-severity memory corruption vulnerability in Huawei Harmonyos, published on 28 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A component of the HarmonyOS has a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability. Local attackers may exploit this vulnerability to cause arbitrary code execution.
Weakness: CWE-125
Which versions are affected by CVE-2021-22458?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-22458?
No fix has been published for CVE-2021-22458 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-2021-22458 being exploited?
There is no known exploitation of CVE-2021-22458 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-5648-6pgf-43rc.