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CVE-2020-11684

CRITICAL

9.1

Description

AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/14/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

linux4sam:at91bootstrap

Weaknesses (CWE)

CWE-212

References

https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927(cve@mitre.org)

https://labs.f-secure.com/advisories/microchip-at91bootstrap/(cve@mitre.org)

https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927(af854a3a-2127-422b-91ae-364da2661108)

https://labs.f-secure.com/advisories/microchip-at91bootstrap/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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