GHSA-3WF2-2PQ4-4RVC

Vulnerability from github – Published: 2024-07-19 19:59 – Updated: 2024-11-18 16:26
VLAI
Summary
Woodpecker's custom environment variables allow to alter execution flow of plugins
Details

Impact

The server allow to create any user who can trigger a pipeline run malicious workflows: - Those workflows can either lead to a host takeover that runs the agent executing the workflow. - Or allow to extract the secrets who would be normally provided to the plugins who's entrypoint are overwritten.

Patches

https://github.com/woodpecker-ci/woodpecker/pull/3909 https://github.com/woodpecker-ci/woodpecker/pull/3934

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading? Enable the "gated" repo feature and review each change upfront of running

References

  • https://github.com/woodpecker-ci/woodpecker/pull/3909
  • https://github.com/woodpecker-ci/woodpecker/pull/3934
  • https://github.com/woodpecker-ci/woodpecker-security/issues/10 (info will be published later at https://github.com/woodpecker-ci/woodpecker/issues/3929)
  • https://github.com/woodpecker-ci/woodpecker/issues/3929 (info will be published later once we got adoption of the update)

Credits

  • Daniel Kilimnik @D_K_Dev (Neodyme AG)
  • Felipe Custodio Romero @localo (Neodyme AG)
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.0 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.woodpecker-ci.org/woodpecker/v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.woodpecker-ci.org/woodpecker"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-41122"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-07-19T19:59:06Z",
    "nvd_published_at": "2024-07-19T20:15:08Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nThe server allow to create any user who can trigger a pipeline run malicious workflows:\n- Those workflows can either lead to a host takeover that runs the agent executing the workflow.\n- Or allow to extract the secrets who would be normally provided to the plugins who\u0027s entrypoint are overwritten.\n\n### Patches\nhttps://github.com/woodpecker-ci/woodpecker/pull/3909\nhttps://github.com/woodpecker-ci/woodpecker/pull/3934\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n**Enable the \"gated\" repo feature and review each change upfront of running**\n\n### References\n- https://github.com/woodpecker-ci/woodpecker/pull/3909\n- https://github.com/woodpecker-ci/woodpecker/pull/3934\n- https://github.com/woodpecker-ci/woodpecker-security/issues/10 (info will be published later at https://github.com/woodpecker-ci/woodpecker/issues/3929)\n- https://github.com/woodpecker-ci/woodpecker/issues/3929 (info will be published later once we got adoption of the update)\n\n### Credits\n\n- Daniel Kilimnik [@D_K_Dev](https://x.com/D_K_Dev) (Neodyme AG)\n- Felipe Custodio Romero [@_localo_](https://x.com/_localo_) (Neodyme AG)",
  "id": "GHSA-3wf2-2pq4-4rvc",
  "modified": "2024-11-18T16:26:54Z",
  "published": "2024-07-19T19:59:06Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-3wf2-2pq4-4rvc"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41122"
    },
    {
      "type": "WEB",
      "url": "https://github.com/woodpecker-ci/woodpecker-security/issues/10"
    },
    {
      "type": "WEB",
      "url": "https://github.com/woodpecker-ci/woodpecker/issues/3929"
    },
    {
      "type": "WEB",
      "url": "https://github.com/woodpecker-ci/woodpecker/pull/3909"
    },
    {
      "type": "WEB",
      "url": "https://github.com/woodpecker-ci/woodpecker/pull/3934"
    },
    {
      "type": "WEB",
      "url": "https://github.com/woodpecker-ci/woodpecker/commit/8aa3e5ec82c92eca3279e4be68625111eeedf1c4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/woodpecker-ci/woodpecker"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2024-2998"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Woodpecker\u0027s custom environment variables allow to alter execution flow of plugins"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.