pysec - pysec-2020-241

PYSEC-2020-241

Vulnerability from pysec - Published: 2020-11-11 16:15 - Updated: 2021-08-27 03:22

Details

MoinMoin is a wiki engine. In MoinMoin before version 1.9.11, an attacker with write permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user's browser when the user is viewing that SVG file on the wiki. Users are strongly advised to upgrade to a patched version. MoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes.

Impacted products

Name	purl
moin	pkg:pypi/moin

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "moin",
        "purl": "pkg:pypi/moin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "31de9139d0aabc171e94032168399b4a0b2a88a2"
            }
          ],
          "repo": "https://github.com/moinwiki/moin-1.9",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.4",
        "1.8.5",
        "1.8.6",
        "1.8.7",
        "1.9.0",
        "1.9.1",
        "1.9.10",
        "1.9.2",
        "1.9.3",
        "1.9.4",
        "1.9.5",
        "1.9.6",
        "1.9.7",
        "1.9.8",
        "1.9.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2020-15275",
    "GHSA-4q96-6xhq-ff43"
  ],
  "details": "MoinMoin is a wiki engine. In MoinMoin before version 1.9.11, an attacker with write permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user\u0027s browser when the user is viewing that SVG file on the wiki. Users are strongly advised to upgrade to a patched version. MoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes.",
  "id": "PYSEC-2020-241",
  "modified": "2021-08-27T03:22:07.834309Z",
  "published": "2020-11-11T16:15:00Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/moinwiki/moin-1.9/commit/31de9139d0aabc171e94032168399b4a0b2a88a2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11"
    },
    {
      "type": "ADVISORY",
      "url": "https://advisory.checkmarx.net/advisory/CX-2020-4285"
    }
  ]
}

GHSA-4Q96-6XHQ-FF43

Vulnerability from github – Published: 2020-11-11 15:54 – Updated: 2024-10-07 15:01

Summary

malicious SVG attachment causing stored XSS vulnerability

Details

Impact

An attacker with write permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user's browser when the user is viewing that SVG file on the wiki.

Patches

Users are strongly advised to upgrade to a patched version.

MoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes.

Workarounds

It is not advised to work around this, but to upgrade MoinMoin to a patched version.

That said, a work around via a Content Security Policy in the web server might be possible.

Also, it is of course helpful if you give write permissions (which include uploading attachments) only to trusted users.

For more information

If you have any questions or comments about this advisory, email me at twaldmann@thinkmo.de.

Credits

This vulnerability was discovered by:

Catarina Leite from the Checkmarx SCA AppSec team

Severity ?

8.7 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

6.4 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "moin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-15275"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-11-11T15:49:35Z",
    "nvd_published_at": "2020-11-11T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nAn attacker with `write` permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user\u0027s browser when the user is viewing that SVG file on the wiki.\n\n### Patches\nUsers are strongly advised to upgrade to a patched version.\n\nMoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes.\n\n### Workarounds\nIt is not advised to work around this, but to upgrade MoinMoin to a patched version.\n\nThat said, a work around via a Content Security Policy in the web server might be possible.\n\nAlso, it is of course helpful if you give `write` permissions (which include uploading attachments) only to trusted users.\n\n### For more information\nIf you have any questions or comments about this advisory, email me at [twaldmann@thinkmo.de](mailto:twaldmann@thinkmo.de).\n\n### Credits\n\nThis vulnerability was discovered by:\n\nCatarina Leite from the Checkmarx SCA AppSec team",
  "id": "GHSA-4q96-6xhq-ff43",
  "modified": "2024-10-07T15:01:08Z",
  "published": "2020-11-11T15:54:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15275"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moinwiki/moin-1.9/commit/31de9139d0aabc171e94032168399b4a0b2a88a2"
    },
    {
      "type": "WEB",
      "url": "https://advisory.checkmarx.net/advisory/CX-2020-4285"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/moinwiki/moin-1.9"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/moin/PYSEC-2020-241.yaml"
    },
    {
      "type": "WEB",
      "url": "https://pypi.org/project/moin"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "malicious SVG attachment causing stored XSS vulnerability"
}

CVE-2020-15275 (GCVE-0-2020-15275)

Vulnerability from cvelistv5 – Published: 2020-11-11 15:45 – Updated: 2024-08-04 13:15

Summary

Severity ?

8.7 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CWE

CWE-79 - Cross-site Scripting (XSS)

Assigner

GitHub_M

References

URL

Tags

	https://github.com/moinwiki/moin-1.9/security/adv…	x_refsource_CONFIRM
	https://github.com/moinwiki/moin-1.9/releases/tag…	x_refsource_MISC
	https://github.com/moinwiki/moin-1.9/commit/31de9…	x_refsource_MISC
	https://advisory.checkmarx.net/advisory/CX-2020-4285	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	moinwiki	moin-1.9	Affected: < 1.9.11

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:15:19.004Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43"
          },
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/moinwiki/moin-1.9/commit/31de9139d0aabc171e94032168399b4a0b2a88a2"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://advisory.checkmarx.net/advisory/CX-2020-4285"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "moin-1.9",
          "vendor": "moinwiki",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.9.11"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "MoinMoin is a wiki engine. In MoinMoin before version 1.9.11, an attacker with write permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user\u0027s browser when the user is viewing that SVG file on the wiki. Users are strongly advised to upgrade to a patched version. MoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-79",
              "description": "CWE-79 Cross-site Scripting (XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-30T21:15:23",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43"
        },
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          "url": "https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11"
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        },
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          "tags": [
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          "url": "https://advisory.checkmarx.net/advisory/CX-2020-4285"
        }
      ],
      "source": {
        "advisory": "GHSA-4q96-6xhq-ff43",
        "discovery": "UNKNOWN"
      },
      "title": "malicious SVG attachment causing stored XSS vulnerability in MoinMoin",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "moin-1.9",
                      "version": {
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        "references": {
          "reference_data": [
            {
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            },
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              "url": "https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11"
            },
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    "cveId": "CVE-2020-15275",
    "datePublished": "2020-11-11T15:45:15",
    "dateReserved": "2020-06-25T00:00:00",
    "dateUpdated": "2024-08-04T13:15:19.004Z",
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  },
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

PYSEC-2020-241

GHSA-4Q96-6XHQ-FF43

Impact

Patches

Workarounds

For more information

Credits

CVE-2020-15275 (GCVE-0-2020-15275)

Tags

Sightings

Nomenclature