GHSA-CQ2G-PW6Q-HF7J

Vulnerability from github – Published: 2022-12-19 21:09 – Updated: 2023-10-02 11:04
VLAI?
Summary
Cortex's Alertmanager can expose local files content via specially crafted config
Details

Impact

A local file inclusion vulnerability exists in Cortex versions v1.13.0, v1.13.1 and v1.14.0, where a malicious actor could remotely read local files as a result of parsing maliciously crafted Alertmanager configurations when submitted to the Alertmanager Set Configuration API. Only users of the Cortex Alertmanager service using -experimental.alertmanager.enable-api or enable_api: true are affected.

Specific Go Packages Affected

github.com/cortexproject/cortex/pkg/alertmanager

Patches

Affected Cortex users are advised to upgrade to versions 1.13.2 or 1.14.1.

Workarounds

Patching is ultimately advised. Using out-of-bound validation, Cortex administrators may reject Alertmanager configurations containing the api_key_file setting in the opsgenie_configs section and opsgenie_api_key_file in the global section before sending to the Set Alertmanager Configuration API as a workaround.

References

  • Fixed Versions:
  • https://github.com/cortexproject/cortex/releases/tag/v1.14.1
  • https://github.com/cortexproject/cortex/releases/tag/v1.13.2
  • https://cortexmetrics.io/docs/api/#set-alertmanager-configuration

For more information

If you have any questions or comments about this advisory:

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cortexproject/cortex"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.14.0"
            },
            {
              "fixed": "1.14.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.14.0"
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cortexproject/cortex"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.13.0"
            },
            {
              "fixed": "1.13.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-23536"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-184",
      "CWE-641",
      "CWE-73"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-19T21:09:05Z",
    "nvd_published_at": "2022-12-19T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nA local file inclusion vulnerability exists in Cortex versions v1.13.0, v1.13.1 and v1.14.0, where a malicious actor could remotely read local files as a result of parsing maliciously crafted Alertmanager configurations when submitted to the [Alertmanager Set Configuration API](https://cortexmetrics.io/docs/api/#set-alertmanager-configuration). Only users of the Cortex Alertmanager service using `-experimental.alertmanager.enable-api` or `enable_api: true` are affected.\n\n### Specific Go Packages Affected\ngithub.com/cortexproject/cortex/pkg/alertmanager\n\n### Patches\nAffected Cortex users are advised to upgrade to versions 1.13.2 or 1.14.1.\n\n### Workarounds\nPatching is ultimately advised. Using out-of-bound validation, Cortex administrators may reject Alertmanager configurations containing the `api_key_file` setting in the `opsgenie_configs` section and `opsgenie_api_key_file` in the `global` section before sending to the [Set Alertmanager Configuration API](https://cortexmetrics.io/docs/api/#set-alertmanager-configuration) as a workaround.\n\n### References\n- Fixed Versions:\n   - https://github.com/cortexproject/cortex/releases/tag/v1.14.1\n   - https://github.com/cortexproject/cortex/releases/tag/v1.13.2\n- https://cortexmetrics.io/docs/api/#set-alertmanager-configuration\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [cortex](https://github.com/cortexproject/cortex/issues/new/choose)\n* Email us at [cortex-team@googlegroups.com](mailto:cortex-team@googlegroups.com).\n",
  "id": "GHSA-cq2g-pw6q-hf7j",
  "modified": "2023-10-02T11:04:41Z",
  "published": "2022-12-19T21:09:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cortexproject/cortex/security/advisories/GHSA-cq2g-pw6q-hf7j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23536"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cortexproject/cortex/commit/03e023d8b012887b31cc268d0d011b01e1e65506"
    },
    {
      "type": "WEB",
      "url": "https://cortexmetrics.io/docs/api/#set-alertmanager-configuration"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cortexproject/cortex"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cortexproject/cortex/releases/tag/v1.13.2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cortexproject/cortex/releases/tag/v1.14.1"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2022-1175"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cortex\u0027s Alertmanager can expose local files content via specially crafted config"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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