{"id":"CVE-2023-45840","aliases":["EUVD-2023-50110","GHSA-wrw9-r95r-fm43"],"status":"published","title":"Multiple data integrity vulnerabilities exist in the package hash checking functionality of...","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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0081,"percentile":0.57181,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-494"],"published":"2023-12-05T11:30:10Z","modified":"2026-10-28T02:31:09Z","products":[{"vendor":"buildroot","product":"buildroot"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1844","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2023/12/11/1","tags":["x_transferred","Mailing List","Third Party Advisory","web"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1844","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45840","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wrw9-r95r-fm43"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45840.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-45840","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.","status":"published","published":"2023-12-05T11:30:10.883Z","modified":"2025-11-04T19:25:28.325Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-50110","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.","status":"published","published":"2023-12-05T11:30:10Z","modified":"2025-11-04T19:25:28Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:21.645169Z"}],"ghsa":[{"id":"GHSA-wrw9-r95r-fm43","title":"Multiple data integrity vulnerabilities exist in the package hash checking functionality of...","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.","status":"published","published":"2023-12-05T12:30:45Z","modified":"2023-12-12T03:31:42Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:55:10.896568Z"}],"nvd":[{"id":"CVE-2023-45840","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.","status":"published","published":"2023-12-05T12:15:43.58Z","modified":"2026-06-17T06:29:38.093Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:08:52.544469Z"}],"osv":[{"id":"CVE-2023-45840","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.","status":"published","published":"2023-12-05T11:30:10.883Z","modified":"2026-10-28T02:31:09.964371711Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T15:44:34.287121Z"}]}}