CVE-2021-37847

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

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-08-02 20:15

Updated : 2024-11-21 06:15

NVD link : CVE-2021-37847

Mitre link : CVE-2021-37847

CVE.ORG link : CVE-2021-37847

JSON object : View

Products Affected

pengutronix

barebox

CWE

NVD-CWE-noinfo

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