CVE-2021-37847 : crypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing informatio

crypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing information because memcmp is used during digest verification.

Published 2021-08-02 20:15:08

Updated 2021-09-21 19:24:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-37847

Pengutronix » Barebox
Versions up to, including, (<=) 2021.07.0
cpe:2.3:a:pengutronix:barebox:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.26%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 66 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

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