Buffer overflow in Denx U-Boot
CVE-2019-14193
An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with an unvalidated length at nfs_readlink_reply, in the "if" block after calculating the new path length.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (85.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.026 · change: +0.003
Affected products
Weakness classification (CWE)
References
- gitlab.com/u-boot/u-boot (Third Party Advisory)
- blog.semmle.com/uboot-rce-nfs-vulnerability/ (Third Party Advisory)
- web.archive.org/web/20191130052117/https://blog.semmle.com/uboot-rce-nfs-vulner…
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2019-14193?
- CVE-2019-14193 is a critical-severity vulnerability in Denx U-Boot, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-31.
- How severe is CVE-2019-14193?
- Critical severity. CVSS v3 base score is 9.8 out of 10.