Vulnerability Monitor

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CVE-2022-30767

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.

Published

2022-05-16T03:15:07.563

Last Modified

2024-11-21T07:03:20.180

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	denx	u-boot	≤ 2022.04	Yes
Application	denx	u-boot	2022.07	Yes
Application	denx	u-boot	2022.07	Yes
Operating System	fedoraproject	fedora	36	Yes

References

https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96 Patch, Third Party Advisory ([email protected])
https://lists.denx.de/pipermail/u-boot/2022-May/483952.html Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/ ([email protected])
https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/ Exploit, Third Party Advisory ([email protected])
https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80 Patch, Vendor Advisory ([email protected])
https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.denx.de/pipermail/u-boot/2022-May/483952.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/ (af854a3a-2127-422b-91ae-364da2661108)
https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)