CVE-2021-37848

HIGH
Published Aug 2, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Aug 2, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-203

Affected Products 1

VendorProductVersionRange
pengutronixbarebox* ≤2021.07.0

References 2

  • gist.github.com https://gist.github.com/gquere/816dfadbad98745090034100a8a651eb
    ExploitThird Party Advisory
  • github.com https://github.com/saschahauer/barebox/commit/a3337563c705bc8e0cf32f910b3e9e3c43d962ff
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/saschahauer/barebox/commit/a3337563c705bc8e0cf32f910b3e9e3c43d962ff
    PatchThird Party Advisory