Timing Information Leak in Pengutronix Barebox through Hash Comparison
CVE-2021-37848

7.5HIGH

Key Information:

Vendor

Pengutronix

Status
Barebox
Vendor
CVE Published:
2 August 2021

What is CVE-2021-37848?

A vulnerability in Pengutronix's barebox version 2021.07.0 has been identified, where timing information can be leaked due to the use of the strncmp function for hash comparison in common/password.c. This implementation flaw allows attackers to potentially gain insights into the hashed passwords, compromising the security of the affected system.

References

https://github.com/saschahauer/barebox/commit/a3337563c70...
x_refsource_MISC
https://gist.github.com/gquere/816dfadbad98745090034100a8...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.