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).
References
Link | Resource |
---|---|
https://labs.f-secure.com/advisories/microchip-at91bootstrap/ | Exploit Third Party Advisory |
https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927 | Patch Third Party Advisory |
Configurations
Information
Published : 2020-09-14 07:15
Updated : 2021-07-21 04:39
NVD link : CVE-2020-11684
Mitre link : CVE-2020-11684
JSON object : View
CWE
CWE-212
Improper Removal of Sensitive Information Before Storage or Transfer
Products Affected
linux4sam
- at91bootstrap