CVE-2022-33967: Buffer Overflow
First published: Wed Jul 20 2022(Updated: )
squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.
Credit: vultures@jpcert.or.jp vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| DENX U-Boot | =2020.10-rc2 | |
| DENX U-Boot | =2020.10-rc3 | |
| DENX U-Boot | =2020.10-rc4 | |
| DENX U-Boot | =2020.10-rc5 | |
| DENX U-Boot | =2021.01 | |
| DENX U-Boot | =2021.01-rc1 | |
| DENX U-Boot | =2021.01-rc2 | |
| DENX U-Boot | =2021.01-rc3 | |
| DENX U-Boot | =2021.01-rc4 | |
| DENX U-Boot | =2021.01-rc5 | |
| DENX U-Boot | =2021.04-rc1 | |
| DENX U-Boot | =2021.04-rc2 | |
| DENX U-Boot | =2022.01 | |
| DENX U-Boot | =2022.01-rc1 | |
| DENX U-Boot | =2022.01-rc2 | |
| DENX U-Boot | =2022.01-rc3 | |
| DENX U-Boot | =2022.01-rc4 | |
| DENX U-Boot | =2022.04 | |
| DENX U-Boot | =2022.04-rc1 | |
| DENX U-Boot | =2022.04-rc2 | |
| DENX U-Boot | =2022.04-rc3 | |
| DENX U-Boot | =2022.04-rc4 | |
| DENX U-Boot | =2022.04-rc5 | |
| DENX U-Boot | =2022.07-rc1 | |
| DENX U-Boot | =2022.07-rc2 | |
| DENX U-Boot | =2022.07-rc3 | |
| DENX U-Boot | =2022.07-rc4 | |
| DENX U-Boot | =2022.07-rc5 | |
| ubuntu/u-boot | <2020.10+dfsg-1ubuntu0~18.04.3 | 2020.10+dfsg-1ubuntu0~18.04.3 |
| ubuntu/u-boot | <2021.01+dfsg-3ubuntu0~20.04.5 | 2021.01+dfsg-3ubuntu0~20.04.5 |
| ubuntu/u-boot | <2022.01+dfsg-2ubuntu2.3 | 2022.01+dfsg-2ubuntu2.3 |
| debian/u-boot | <=2021.01+dfsg-5 | 2019.01+dfsg-7 2023.01+dfsg-2 2024.01+dfsg-1 2024.01+dfsg-5 |
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Reference Links
- https://jvn.jp/en/vu/JVNVU97846460/index.html
- https://lists.denx.de/pipermail/u-boot/2022-June/487467.html
- https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44
- https://www.denx.de/project/u-boot/
- https://launchpad.net/bugs/cve/CVE-2022-33967
- https://security-tracker.debian.org/tracker/CVE-2022-33967
- https://ubuntu.com/security/notices/USN-5764-1
- https://www.cve.org/CVERecord?id=CVE-2022-33967
- https://nvd.nist.gov/vuln/detail/CVE-2022-33967
- https://ubuntu.com/security/CVE-2022-33967
Frequently Asked Questions
What is the vulnerability ID for this squashfs filesystem issue in U-Boot?
The vulnerability ID is CVE-2022-33967.
What is the severity level of CVE-2022-33967?
The severity level of CVE-2022-33967 is high.
What is the affected software for CVE-2022-33967?
The affected software is DENX U-Boot versions from v2020.10-rc2 to v2022.07-rc5.
What is the impact of CVE-2022-33967?
Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.
Where can I find more information about CVE-2022-33967?
You can find more information about CVE-2022-33967 on the JVN vulnerability database and the U-Boot mailing list.
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