critical9.1
CVE-2020-11684
AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component.
Impact
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).
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux4sam | At91bootstrap | from 3.7.2 before 3.9.2 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927
- https://labs.f-secure.com/advisories/microchip-at91bootstrap/
- https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927
- https://labs.f-secure.com/advisories/microchip-at91bootstrap/