CVE-2018-1000205: denx u-boot Improper Input Validation
Modified
AliasesUBUNTU-CVE-2018-1000205DEBIAN-CVE-2018-1000205
Published 26-06-2018Last modified 17-09-2024
Vulnerability summary
CVE-2018-1000205 is a medium (CVSS 5.5) Improper Input Validation vulnerability in denx u-boot. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.72%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 26-06-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
U-Boot contains a CWE-20: Improper Input Validation vulnerability in Verified boot signature validation that can result in Bypass verified boot. This attack appear to be exploitable via Specially crafted FIT image and special device memory functionality.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.71% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- u-bootAll versions (No fix recorded)
Denx1 product
- u-boot≤ 2018.07
Ubuntu1 product
- u-bootAll versions (No fix recorded)
3 vendors · 3 products
References
5 links- lists.denx.de/pipermail/u-boot/2018-June/330454.htmlX Refsource MISCMailing ListPatchVendor AdvisoryREPORT
- lists.denx.de/pipermail/u-boot/2018-June/330898.htmlX Refsource MISCMailing ListMitigationVendor AdvisoryREPORT