add CVE-2020-15091 for GHSA-6jqj-f58p-mrw3

2020/15xxx/CVE-2020-15091.json

@@ -1,18 +1,93 @@
 {
-    "data_type": "CVE",
-    "data_format": "MITRE",
-    "data_version": "4.0",
     "CVE_data_meta": {
+        "ASSIGNER": "security-advisories@github.com",
         "ID": "CVE-2020-15091",
-        "ASSIGNER": "cve@mitre.org",
-        "STATE": "RESERVED"
+        "STATE": "PUBLIC",
+        "TITLE": "Denial of Service in TenderMint"
     },
+    "affects": {
+        "vendor": {
+            "vendor_data": [
+                {
+                    "product": {
+                        "product_data": [
+                            {
+                                "product_name": "tendermint",
+                                "version": {
+                                    "version_data": [
+                                        {
+                                            "version_value": ">= 0.33.0, < 0.33.6"
+                                        }
+                                    ]
+                                }
+                            }
+                        ]
+                    },
+                    "vendor_name": "tendermint"
+                }
+            ]
+        }
+    },
+    "data_format": "MITRE",
+    "data_type": "CVE",
+    "data_version": "4.0",
     "description": {
         "description_data": [
             {
                 "lang": "eng",
-                "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
+                "value": "TenderMint from version 0.33.0 and before version 0.33.6 allows block proposers to include signatures for the wrong block. This may happen naturally if you start a network, have it run for some time and restart it (**without changing chainID**). A malicious block proposer (even with a minimal amount of stake) can use this vulnerability to completely halt the network.\n\nThis issue is fixed in Tendermint 0.33.6 which checks all the signatures are for the block with 2/3+ majority before creating a commit."
             }
         ]
+    },
+    "impact": {
+        "cvss": {
+            "attackComplexity": "LOW",
+            "attackVector": "NETWORK",
+            "availabilityImpact": "HIGH",
+            "baseScore": 6.5,
+            "baseSeverity": "MEDIUM",
+            "confidentialityImpact": "NONE",
+            "integrityImpact": "NONE",
+            "privilegesRequired": "LOW",
+            "scope": "UNCHANGED",
+            "userInteraction": "NONE",
+            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
+            "version": "3.1"
+        }
+    },
+    "problemtype": {
+        "problemtype_data": [
+            {
+                "description": [
+                    {
+                        "lang": "eng",
+                        "value": "{\"CWE-347\":\"Improper Verification of Cryptographic Signature\"}"
+                    }
+                ]
+            }
+        ]
+    },
+    "references": {
+        "reference_data": [
+            {
+                "name": "https://github.com/tendermint/tendermint/security/advisories/GHSA-6jqj-f58p-mrw3",
+                "refsource": "CONFIRM",
+                "url": "https://github.com/tendermint/tendermint/security/advisories/GHSA-6jqj-f58p-mrw3"
+            },
+            {
+                "name": "https://github.com/tendermint/tendermint/issues/4926",
+                "refsource": "MISC",
+                "url": "https://github.com/tendermint/tendermint/issues/4926"
+            },
+            {
+                "name": "https://github.com/tendermint/tendermint/commit/480b995a31727593f58b361af979054d17d84340",
+                "refsource": "MISC",
+                "url": "https://github.com/tendermint/tendermint/commit/480b995a31727593f58b361af979054d17d84340"
+            }
+        ]
+    },
+    "source": {
+        "advisory": "GHSA-6jqj-f58p-mrw3",
+        "discovery": "UNKNOWN"
     }
 }