ghsa-jphm-g89m-v42p
Vulnerability from github
Published
2021-09-02 21:59
Modified
2021-08-30 23:21
Summary
Path traversal in Grafana Cortex
Details

An issue was discovered in Grafana Cortex through 1.9.0. The header value X-Scope-OrgID is used to construct file paths for rules files, and if crafted to conduct directory traversal such as ae ../../sensitive/path/in/deployment pathname, then Cortex will attempt to parse a rules file at that location and include some of the contents in the error message. (Other Cortex API requests can also be sent a malicious OrgID header, e.g., tricking the ingester into writing metrics to a different location, but the effect is nuisance rather than information disclosure.)

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cortexproject/cortex"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.9.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-36157"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-04T18:31:56Z",
    "nvd_published_at": "2021-08-03T15:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in Grafana Cortex through 1.9.0. The header value X-Scope-OrgID is used to construct file paths for rules files, and if crafted to conduct directory traversal such as ae ../../sensitive/path/in/deployment pathname, then Cortex will attempt to parse a rules file at that location and include some of the contents in the error message. (Other Cortex API requests can also be sent a malicious OrgID header, e.g., tricking the ingester into writing metrics to a different location, but the effect is nuisance rather than information disclosure.)",
  "id": "GHSA-jphm-g89m-v42p",
  "modified": "2021-08-30T23:21:48Z",
  "published": "2021-09-02T21:59:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-36157"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cortexproject/cortex/pull/4375"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cortexproject/cortex/commit/d9e1f81f40c607b9e97c2fc6db70ae54679917c4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cortexproject/cortex"
    },
    {
      "type": "WEB",
      "url": "https://grafana.com/docs/grafana/latest/release-notes"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Path traversal in Grafana Cortex"
}


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