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43 lines
2.2 KiB
JSON
43 lines
2.2 KiB
JSON
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{
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"id": "CVE-2023-20177",
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"sourceIdentifier": "ykramarz@cisco.com",
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"published": "2023-11-01T17:15:11.287",
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"lastModified": "2023-11-01T17:16:31.677",
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"vulnStatus": "Awaiting Analysis",
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"descriptions": [
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{
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"lang": "en",
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"value": "A vulnerability in the SSL file policy implementation of Cisco Firepower Threat Defense (FTD) Software that occurs when the SSL/TLS connection is configured with a URL Category and the Snort 3 detection engine could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to unexpectedly restart. This vulnerability exists because a logic error occurs when a Snort 3 detection engine inspects an SSL/TLS connection that has either a URL Category configured on the SSL file policy or a URL Category configured on an access control policy with TLS server identity discovery enabled. Under specific, time-based constraints, an attacker could exploit this vulnerability by sending a crafted SSL/TLS connection through an affected device. A successful exploit could allow the attacker to trigger an unexpected reload of the Snort 3 detection engine, resulting in either a bypass or denial of service (DoS) condition, depending on device configuration. The Snort 3 detection engine will restart automatically. No manual intervention is required."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "ykramarz@cisco.com",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "LOW",
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"baseScore": 4.0,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 2.2,
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"impactScore": 1.4
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}
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]
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},
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"references": [
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sa-ftd-snort3-urldos-OccFQTeX",
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"source": "ykramarz@cisco.com"
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}
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]
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}
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