Improper input validation in Denx U-Boot
CVE-2020-10648
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Denx U-Boot — versions 2020.01
- openSUSE Leap — versions 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/u-boot/u-boot/commits/master (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/03/18/5 (Mailing List, Third Party Advisory)
- labs.f-secure.com/advisories/das-u-boot-verified-boot-bypass/ (Exploit, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html (vendor-advisory, Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2020-10648?
- CVE-2020-10648 is a high-severity vulnerability in Denx U-Boot, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-03-19.
- How severe is CVE-2020-10648?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-10648 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.