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GHSA-5mh6-p63g-3mv5
GHSA-8qg8-c7mw-6fj7
GHSA-5mh6-p63g-3mv5
GHSA-8qg8-c7mw-6fj7

Author: advisory-database[bot]

advisories/github-reviewed/2022/05/GHSA-5mh6-p63g-3mv5/GHSA-5mh6-p63g-3mv5.json

@@ -0,0 +1,65 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-5mh6-p63g-3mv5",
+  "modified": "2025-11-20T21:02:18Z",
+  "published": "2022-05-24T17:21:09Z",
+  "aliases": [
+    "CVE-2018-21258"
+  ],
+  "summary": "Mattermost Server is vulnerable to a Denial of Service attack through `invite_people` command",
+  "details": "An issue was discovered in Mattermost Server before 5.1.0. It allows attackers to cause a denial of service via the invite_people slash command.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "5.1.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-21258"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/af615ffc24b774d76deef8c93282831432669dd8"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/mattermost/mattermost"
+    },
+    {
+      "type": "WEB",
+      "url": "https://mattermost.com/security-updates"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-400"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2025-11-20T21:02:18Z",
+    "nvd_published_at": "2020-06-19T17:15:00Z"
+  }
+}

advisories/github-reviewed/2022/05/GHSA-8qg8-c7mw-6fj7/GHSA-8qg8-c7mw-6fj7.json

@@ -0,0 +1,106 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-8qg8-c7mw-6fj7",
+  "modified": "2025-11-20T21:02:48Z",
+  "published": "2022-05-24T17:21:02Z",
+  "aliases": [
+    "CVE-2017-18874"
+  ],
+  "summary": "Mattermost Server is vulnerable to Directory Traversal by System Admins",
+  "details": "An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal.",
+  "severity": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "4.1.2-0.20171004201910-6be8113eb60"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "4.2.0-rc1"
+            },
+            {
+              "fixed": "4.2.1-0.20171004194140-6d3cb2ce07fc"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "4.3.0-rc1"
+            },
+            {
+              "fixed": "4.3.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18874"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/6d3cb2ce07fc799832081e93843b405b390057fa"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/fadd9514f6e71590aba781a7035e1de4150137b0"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/mattermost/mattermost"
+    },
+    {
+      "type": "WEB",
+      "url": "https://mattermost.com/security-updates"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-22"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2025-11-20T21:02:47Z",
+    "nvd_published_at": "2020-06-19T19:15:00Z"
+  }
+}