CVE-2021-37848: High severity Pengutronix barebox vulnerability
Published Aug 2, 2021
·Updated
common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison.
Affected Software
1 affected component
Pengutronix barebox<=2021.07.0
Remediation
Event History
Aug 2, 2021
CVE Published
via MITRE·07:46 PM
Data Sourced
via MITRE·07:46 PM
Description
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-37848?
CVE-2021-37848 has a moderate severity due to timing information leakage during hash comparisons.
2
How do I fix CVE-2021-37848?
To fix CVE-2021-37848, upgrade to a version of Barebox later than 2021.07.0 that addresses this timing attack.
3
What is the impact of CVE-2021-37848?
The impact of CVE-2021-37848 includes potential exposure of sensitive information through timing attacks.
4
Which versions of Barebox are affected by CVE-2021-37848?
CVE-2021-37848 affects Barebox versions up to and including 2021.07.0.
5
What components of Barebox are involved in CVE-2021-37848?
CVE-2021-37848 involves the common/password.c component where strncmp is used for hash comparison.