CVE-2012-4684

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://en.bitcoin.it/wiki/CVE-2012-4684", "name": "https://en.bitcoin.it/wiki/CVE-2012-4684", "tags": [], "refsource": "CONFIRM"}, {"url": "https://bitcointalk.org/index.php?topic=148109.0", "name": "https://bitcointalk.org/index.php?topic=148109.0", "tags": [], "refsource": "CONFIRM"}, {"url": "https://bitcointalk.org/index.php?topic=8392.0", "name": "https://bitcointalk.org/index.php?topic=8392.0", "tags": [], "refsource": "CONFIRM"}, {"url": "https://en.bitcoin.it/wiki/CVEs", "name": "https://en.bitcoin.it/wiki/CVEs", "tags": [], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote attackers to cause a denial of service (resource consumption) via a valid modified signature for a circulating alert."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-399"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2012-4684", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "HIGH", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2013-03-12T11:28Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:bitcoin:bitcoin_core:0.5.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": 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