GHSA-R5HG-349Q-MG2Q

Vulnerability from github – Published: 2023-12-22 12:31 – Updated: 2024-01-03 19:47
VLAI?
Summary
Buildkite Elastic CI for AWS time-of-check-time-of-use race condition vulnerability
Details

A time-of-check-time-of-use race condition vulnerability in Buildkite Elastic CI for AWS versions prior to 6.7.1 and 5.22.5 allows the buildkite-agent user to bypass a symbolic link check for the PIPELINE_PATH variable in the fix-buildkite-agent-builds-permissions script.

Severity ?
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/buildkite/elastic-ci-stack-for-aws/v6"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-43741"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-01-03T19:47:40Z",
    "nvd_published_at": "2023-12-22T10:15:11Z",
    "severity": "HIGH"
  },
  "details": "A time-of-check-time-of-use race condition vulnerability in Buildkite Elastic CI for AWS versions prior to 6.7.1 and 5.22.5 allows the buildkite-agent user to bypass a symbolic link check for the PIPELINE_PATH variable in the fix-buildkite-agent-builds-permissions script.",
  "id": "GHSA-r5hg-349q-mg2q",
  "modified": "2024-01-03T19:47:40Z",
  "published": "2023-12-22T12:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-43741"
    },
    {
      "type": "WEB",
      "url": "https://github.com/buildkite/elastic-ci-stack-for-aws/commit/edad0b158ea10a6647bb1c84629d93f5c3d8770e"
    },
    {
      "type": "WEB",
      "url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2023-0003.md"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/buildkite/elastic-ci-stack-for-aws"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Buildkite Elastic CI for AWS time-of-check-time-of-use race condition vulnerability"
}


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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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