Vulnerability CVE-2020-10648
Published: 2020-03-19

Description:
Das U-Boot through 2020.01 allows attackers to bypass verified boot restrictions and subsequently boot arbitrary images by providing a crafted FIT image to a system configured to boot the default configuration.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
DENX -> U-boot 

 References:
http://www.openwall.com/lists/oss-security/2020/03/18/5
https://github.com/u-boot/u-boot/commits/master
https://labs.f-secure.com/advisories/das-u-boot-verified-boot-bypass/
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