Vulnerability-Lookup

ubuntu-cve-2020-35477

Vulnerability from osv_ubuntu

Published

2020-12-18 08:15

Modified

2026-05-27 10:01

Summary

Details

MediaWiki before 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the "Change visibility of selected log entries" checkbox (or a tags checkbox) next to it, there is a redirection to the main page's action=historysubmit (instead of the desired behavior in which a revision-deletion form appears).

Severity

5.3 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2020-35477	REPORT
	https://phabricator.wikimedia.org/T205908	REPORT
	https://lists.wikimedia.org/pipermail/wikitech-l/…	REPORT
	https://lists.wikimedia.org/pipermail/mediawiki-a…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2020-35477	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.27.4-3"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.27.4-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.27.4-3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.27.3-1",
        "1:1.27.4-1",
        "1:1.27.4-2",
        "1:1.27.4-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.31.7-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.31.7-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.31.7-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.31.2-1ubuntu1",
        "1:1.31.5-1",
        "1:1.31.5-1ubuntu1",
        "1:1.31.5-2",
        "1:1.31.5-3",
        "1:1.31.5-3ubuntu1",
        "1:1.31.6-1",
        "1:1.31.7-1",
        "1:1.31.7-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.35.6-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.35.6-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.35.6-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.35.3-1",
        "1:1.35.4-1",
        "1:1.35.5-1",
        "1:1.35.5-1ubuntu1",
        "1:1.35.5-1ubuntu2",
        "1:1.35.5-1ubuntu3",
        "1:1.35.6-1",
        "1:1.35.6-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.39.7-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.39.7-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.39.7-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.39.4-2",
        "1:1.39.5-1",
        "1:1.39.6-1",
        "1:1.39.7-1",
        "1:1.39.7-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.43.3+dfsg-1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.43.3+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.43.3+dfsg-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.43.1+dfsg-1",
        "1:1.43.1+dfsg-2",
        "1:1.43.3+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.43.8+dfsg-2"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.43.8+dfsg-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.43.8+dfsg-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.43.3+dfsg-1",
        "1:1.43.5+dfsg-1",
        "1:1.43.6+dfsg-2",
        "1:1.43.8+dfsg-1",
        "1:1.43.8+dfsg-2"
      ]
    }
  ],
  "aliases": [],
  "details": "MediaWiki before 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the \"Change visibility of selected log entries\" checkbox (or a tags checkbox) next to it, there is a redirection to the main page\u0027s action=historysubmit (instead of the desired behavior in which a revision-deletion form appears).",
  "id": "UBUNTU-CVE-2020-35477",
  "modified": "2026-05-27T10:01:44Z",
  "published": "2020-12-18T08:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-35477"
    },
    {
      "type": "REPORT",
      "url": "https://phabricator.wikimedia.org/T205908"
    },
    {
      "type": "REPORT",
      "url": "https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html"
    },
    {
      "type": "REPORT",
      "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-35477"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-35477"
  ]
}

CVE-2020-35477 (GCVE-0-2020-35477)

Vulnerability from cvelistv5 – Published: 2020-12-18 07:37 – Updated: 2024-08-04 17:02

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://phabricator.wikimedia.org/T205908	x_refsource_MISC
https://lists.wikimedia.org/pipermail/mediawiki-a…	x_refsource_MISC
https://www.debian.org/security/2020/dsa-4816	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:02:08.156Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://phabricator.wikimedia.org/T205908"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
          },
          {
            "name": "DSA-4816",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4816"
          },
          {
            "name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
          },
          {
            "name": "FEDORA-2020-0be2d40e13",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "MediaWiki before 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the \"Change visibility of selected log entries\" checkbox (or a tags checkbox) next to it, there is a redirection to the main page\u0027s action=historysubmit (instead of the desired behavior in which a revision-deletion form appears)."
        }
      ],
      "problemTypes": [
        {
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-27T03:06:14.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://phabricator.wikimedia.org/T205908"
        },
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            "x_refsource_MISC"
          ],
          "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
        },
        {
          "name": "DSA-4816",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4816"
        },
        {
          "name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
        },
        {
          "name": "FEDORA-2020-0be2d40e13",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-35477",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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        "data_format": "MITRE",
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        "description": {
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              "lang": "eng",
              "value": "MediaWiki before 1.35.1 blocks legitimate attempts to hide log entries in some situations. If one sets MediaWiki:Mainpage to Special:MyLanguage/Main Page, visits a log entry on Special:Log, and toggles the \"Change visibility of selected log entries\" checkbox (or a tags checkbox) next to it, there is a redirection to the main page\u0027s action=historysubmit (instead of the desired behavior in which a revision-deletion form appears)."
            }
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              "description": [
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            },
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              "refsource": "MISC",
              "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
            },
            {
              "name": "DSA-4816",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4816"
            },
            {
              "name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
            },
            {
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
            }
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  },
  "cveMetadata": {
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    "assignerShortName": "mitre",
    "cveId": "CVE-2020-35477",
    "datePublished": "2020-12-18T07:37:24.000Z",
    "dateReserved": "2020-12-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T17:02:08.156Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.