Home/CVE/common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash
CVE

CVE-2021-37848

common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash

common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison.

HIGH · CVSS 7.5 EPSS 0.00316
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
▤

Affected Products & Versions

1
pengutronix barebox<= 2021.07.0
⚠

Public Exploits & PoCs

1
pocgist.github.com · 816dfadbad98745090034100a8a651ebgist.github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Aug 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/saschahauer/barebox/commit/a3337563c705bc8e0cf32f910b3e9e3c43d962ffPatchThird Party Advisory
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