CVE Vulnerability

CVE-2021-37847

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

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/saschahauer/barebox/commit/0a9f9a7410681e55362f8311537ebc7be9ad0fbe Patch Third Party Advisory
https://gist.github.com/gquere/816dfadbad98745090034100a8a651eb Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:pengutronix:barebox:*:*:*:*:*:*:*:*
Information

Published : 2021-08-02 08:15

Updated : 2021-09-21 07:24

NVD link : CVE-2021-37847

Mitre link : CVE-2021-37847

Products Affected
No products.
CWE
NVD-CWE-noinfo