CVE-2021-40029: Buffer Overflow
First published: Fri Jan 07 2022(Updated: )
There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.
Credit: psirt@huawei.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| HarmonyOS | <2.0 | |
| EMUI 5.0 | =10.0.0 | |
| EMUI 5.0 | =10.1.0 | |
| EMUI 5.0 | =10.1.1 | |
| EMUI 5.0 | =11.0.0 | |
| EMUI 5.0 | =11.0.1 | |
| EMUI 5.0 | =12.0.0 | |
| Magic UI | =3.0.0 | |
| Magic UI | =3.1.0 | |
| Magic UI | =3.1.1 | |
| Magic UI | =4.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40029?
The severity of CVE-2021-40029 is high due to its potential to cause stability issues in affected devices.
How do I fix CVE-2021-40029?
To fix CVE-2021-40029, update your device to the latest firmware version provided by Huawei.
What systems are affected by CVE-2021-40029?
CVE-2021-40029 affects various Huawei devices running HarmonyOS or EMUI versions 10.0.0 to 12.0.0, and Magic UI versions 3.0.0 to 4.0.0.
What is a buffer overflow vulnerability in relation to CVE-2021-40029?
A buffer overflow vulnerability, like CVE-2021-40029, occurs when data exceeds a buffer's storage capacity, potentially leading to code execution or crashes.
Can CVE-2021-40029 be exploited remotely?
Yes, CVE-2021-40029 can be exploited remotely if an attacker can interact with the Samba server on an affected device.
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- vendor/huawei
- canonical/harmonyos
- canonical/emui 5.0
- version/emui 5.0/10.0.0
- version/emui 5.0/10.1.0
- version/emui 5.0/10.1.1
- version/emui 5.0/11.0.0
- version/emui 5.0/11.0.1
- version/emui 5.0/12.0.0
- canonical/magic ui
- version/magic ui/3.0.0
- version/magic ui/3.1.0
- version/magic ui/3.1.1
- version/magic ui/4.0.0