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

CVE-2021-37847

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

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

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

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/0a9f9a7410681e55362f8311537ebc7be9ad0fbePatchThird Party Advisory
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