CVE-2023-45840

Published Dec 5, 2023

Last updated 6 months ago

Overview

Description: 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 `riscv64-elf-toolchain` package.
Source: talos-cna@cisco.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 8.1
Impact score: 5.9
Exploitability score: 2.2
Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

Weaknesses

talos-cna@cisco.com: CWE-494
nvd@nist.gov: CWE-494

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:buildroot:buildroot:2023.08.1:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "CF734410-BA22-45F7-AD10-CB28F69D1D81"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.