CVE-2019-6469

An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.

CVSS v3 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://kb.isc.org/docs/cve-2019-6469	Third Party Advisory
https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:isc:bind:9.10.5:s1:::supported_preview:::*
	cpe:2.3:a:isc:bind:9.11.6:s1:::supported_preview:::*

History

07 Nov 2023, 03:13

Type	Values Removed	Values Added
References	{'url': 'https://support.f5.com/csp/article/K39751401?utm_source=f5support&utm_medium=RSS', 'name': 'https://support.f5.com/csp/article/K39751401?utm_source=f5support&utm_medium=RSS', 'tags': [], 'refsource': 'CONFIRM'}	() https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS -

Information

Published : 2019-10-09 16:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-6469

Mitre link : CVE-2019-6469

CVE.ORG link : CVE-2019-6469

JSON object : View

Products Affected

isc

bind

CWE

CWE-617

Reachable Assertion

{"id": "CVE-2019-6469", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "security-officer@isc.org", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2019-10-09T16:15:17.077", "references": [{"url": "https://kb.isc.org/docs/cve-2019-6469", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS", "source": "security-officer@isc.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition."}, {"lang": "es", "value": "Un error en la funcionalidad EDNS Client Subnet (ECS) para los solucionadores recursivos puede hacer que BIND salga con un fallo de aserci\u00f3n cuando se procesa una respuesta que tiene RRSIG malformados. Versiones afectadas: BIND 9.10.5-S1 hasta 9.11.6-S1 de BIND 9 Supported Preview Edition."}], "lastModified": "2023-11-07T03:13:10.263", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*", "vulnerable": true, "matchCriteriaId": "CAD41122-C5D8-4256-8CB7-FF88DCD96A13"}, {"criteria": "cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*", "vulnerable": true, "matchCriteriaId": "8AF9D390-0D5B-4963-A2D3-BF1E7CD95E9D"}], "operator": "OR"}]}], "sourceIdentifier": "security-officer@isc.org"}