From 5dad6a4bfd52987ad671182bf032fd373acca6cc Mon Sep 17 00:00:00 2001
From: "advisory-database[bot]"
 <45398580+advisory-database[bot]@users.noreply.github.com>
Date: Tue, 31 Oct 2023 20:31:07 +0000
Subject: [PATCH] Publish GHSA-mp92-3jfm-3575

---
 .../GHSA-mp92-3jfm-3575.json                  | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 advisories/github-reviewed/2023/10/GHSA-mp92-3jfm-3575/GHSA-mp92-3jfm-3575.json

diff --git a/advisories/github-reviewed/2023/10/GHSA-mp92-3jfm-3575/GHSA-mp92-3jfm-3575.json b/advisories/github-reviewed/2023/10/GHSA-mp92-3jfm-3575/GHSA-mp92-3jfm-3575.json
new file mode 100644
index 00000000000..6a5fae80c76
--- /dev/null
+++ b/advisories/github-reviewed/2023/10/GHSA-mp92-3jfm-3575/GHSA-mp92-3jfm-3575.json
@@ -0,0 +1,65 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-mp92-3jfm-3575",
+  "modified": "2023-10-31T20:29:49Z",
+  "published": "2023-10-31T20:29:49Z",
+  "aliases": [
+    "CVE-2023-43796"
+  ],
+  "summary": "Synapse vulnerable to leak of remote user device information",
+  "details": "### Impact\nCached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver.\n\n### Patches\nSystem administrators are encouraged to upgrade to Synapse 1.95.1 as soon as possible.\n\n### Workarounds\nThe `federation_domain_whitelist` can be used to limit federation traffic with a homeserver.\n",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "PyPI",
+        "name": "matrix-synapse"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "1.95.1"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575"
+    },
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-43796"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/matrix-org/synapse"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-200"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2023-10-31T20:29:49Z",
+    "nvd_published_at": null
+  }
+}
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