9.8

CVE-2022-30767

Exploit
nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Denx ≫ U-boot Version <= 2022.04
Denx ≫ U-boot Version 2022.07 Update rc1
Denx ≫ U-boot Version 2022.07 Update rc2
Fedoraproject ≫ Fedora Version 36
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.69% 0.844
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NIST 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/
https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96
Patch
Third Party Advisory
https://lists.denx.de/pipermail/u-boot/2022-May/483952.html
Third Party Advisory
Mailing List
https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/
Third Party Advisory
Exploit
https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80
Patch
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html