CVE-2020-10648
high
CVSS v3
7.8
CVSS v2
6.8
VIR risk
7.8
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-10648
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-10648.html
Vendor advisory: cve@mitre.org — https://github.com/u-boot/u-boot/commits/master
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2020.04-1 | |
| sles | affected | | |
| suse | 15.2 | affected | |
| debian | bookworm | fixed | 2020.04+dfsg-1 |
| debian | bullseye | fixed | 2020.04+dfsg-1 |
| debian | forky | fixed | 2020.04+dfsg-1 |
| debian | sid | fixed | 2020.04+dfsg-1 |
| debian | trixie | fixed | 2020.04+dfsg-1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html
- 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/
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
- https://www.suse.com/security/cve/CVE-2020-10648.html
- https://security-tracker.debian.org/tracker/CVE-2020-10648
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.