CVE-2021-37847
First published: Mon Aug 02 2021(Updated: )
crypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing information because memcmp is used during digest verification.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Barebox | <=2021.07.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-37847?
CVE-2021-37847 has been classified as a medium severity vulnerability.
How do I fix CVE-2021-37847?
To fix CVE-2021-37847, update to a version of barebox later than 2021.07.0 that addresses this timing information leak.
What component is affected by CVE-2021-37847?
CVE-2021-37847 affects the digest verification component within the Pengutronix barebox.
What type of vulnerability is CVE-2021-37847?
CVE-2021-37847 is a timing attack vulnerability due to the use of memcmp in digest verification.
What software versions are affected by CVE-2021-37847?
Barebox versions up to and including 2021.07.0 are affected by CVE-2021-37847.
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