high
7.8
CWE
119 787
Advisory Published
CVE Published
Updated

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 SoftwareAffected VersionHow 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

Remedy

https://source.denx.de/u-boot/u-boot/-/commit/7f7fb9937c6cb49dd35153bd6708872b390b0a44

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

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.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203