What is CVE-2023-45842?

CVE-2023-45842 is a high-severity vulnerability in Buildroot, classified under Download of Code Without Integrity Check. CVSS score: 8.1/10. Published 2023-12-05.

How severe is CVE-2023-45842?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Buildroot

CVE-2023-45842

Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `mxsldr` package.

EPSS: 0.008 (53.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Buildroot — versions 2023.08.1, dev commit 622698d7847

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
talos-cna@cisco.com (Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-45842?: CVE-2023-45842 is a high-severity vulnerability in Buildroot, classified under Download of Code Without Integrity Check. CVSS score: 8.1/10. Published 2023-12-05.
How severe is CVE-2023-45842?: High severity. CVSS v3 base score is 8.1 out of 10.