GHSA-5HV6-MH8Q-Q9V8

Vulnerability from github – Published: 2020-10-16 16:55 – Updated: 2021-11-19 14:41
VLAI
Summary
RCE in XWiki
Details

Impact

Any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution.

Patches

It has been patched in both version XWiki 12.5 and XWiki 11.10.6.

Workarounds

The only workaround is to give SCRIPT right only to trusted users.

References

https://jira.xwiki.org/browse/XWIKI-17423

It's been reported by the GitHub Security Lab under https://jira.xwiki.org/browse/XWIKI-17141.

For more information

If you have any questions or comments about this advisory: * Open an issue in Jira XWiki * Email us at our security mailing list

Severity
8.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-oldcore"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-oldcore"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "12.0"
            },
            {
              "fixed": "12.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-15252"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74",
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-10-16T16:55:27Z",
    "nvd_published_at": "2020-10-16T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nAny user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution.\n\n### Patches\n\nIt has been patched in both version XWiki 12.5 and XWiki 11.10.6.\n\n### Workarounds\n\nThe only workaround is to give SCRIPT right only to trusted users.\n\n### References\n\nhttps://jira.xwiki.org/browse/XWIKI-17423\n\nIt\u0027s been reported by the GitHub Security Lab under https://jira.xwiki.org/browse/XWIKI-17141.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki](https://jira.xwiki.org)\n* Email us at [our security mailing list](mailto:security@xwiki.org)",
  "id": "GHSA-5hv6-mh8q-q9v8",
  "modified": "2021-11-19T14:41:16Z",
  "published": "2020-10-16T16:55:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5hv6-mh8q-q9v8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15252"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-17141"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-17423"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "RCE in XWiki"
}



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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

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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.



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