GHSA-2FC9-XPP8-2G9H

Vulnerability from github – Published: 2024-02-23 18:02 – Updated: 2024-02-23 19:43
VLAI?
Summary
`@backstage/backend-common` vulnerable to path traversal through symlinks
Details

Impact

Paths checks with the resolveSafeChildPath utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers.

Patches

Patched in @backstage/backend-common version 0.21.1. Patched in @backstage/backend-common version 0.20.2. Patched in @backstage/backend-common version 0.19.10.

For more information

If you have any questions or comments about this advisory:

Severity ?
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@backstage/backend-common"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.21.0"
            },
            {
              "fixed": "0.21.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.21.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@backstage/backend-common"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.19.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@backstage/backend-common"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.20.0"
            },
            {
              "fixed": "0.20.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-26150"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-23T18:02:08Z",
    "nvd_published_at": "2024-02-23T16:15:48Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nPaths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers.\n\n### Patches\nPatched in `@backstage/backend-common` version `0.21.1`.\nPatched in `@backstage/backend-common` version `0.20.2`.\nPatched in `@backstage/backend-common` version `0.19.10`.\n\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n- Open an issue in the [Backstage repository](https://github.com/backstage/backstage)\n- Visit our Discord, linked to in [Backstage README](https://github.com/backstage/backstage)\n",
  "id": "GHSA-2fc9-xpp8-2g9h",
  "modified": "2024-02-23T19:43:19Z",
  "published": "2024-02-23T18:02:08Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26150"
    },
    {
      "type": "WEB",
      "url": "https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717"
    },
    {
      "type": "WEB",
      "url": "https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/backstage/backstage"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "`@backstage/backend-common` vulnerable to path traversal through symlinks"
}


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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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.



Detection rules are retrieved from Rulezet.