CVE-2019-6476

A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query. This affects BIND versions 9.14.0 up to 9.14.6, and 9.15.0 up to 9.15.4.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://kb.isc.org/docs/cve-2019-6476	Third Party Advisory
https://security.netapp.com/advisory/ntap-20191024-0004/
https://support.f5.com/csp/article/K42238532?utm_source=f5support&amp%3Butm_medium=RSS

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:isc:bind::::::::
	cpe:2.3:a:isc:bind::::::::

History

No history.

Information

Published : 2019-10-17 20:15

Updated : 2024-02-04 20:39

NVD link : CVE-2019-6476

Mitre link : CVE-2019-6476

CVE.ORG link : CVE-2019-6476

JSON object : View

Products Affected

isc

bind

CWE

CWE-617

Reachable Assertion

{"id": "CVE-2019-6476", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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}, {"type": "Secondary", "source": "security-officer@isc.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/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}]}, "published": "2019-10-17T20:15:12.880", "references": [{"url": "https://kb.isc.org/docs/cve-2019-6476", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://security.netapp.com/advisory/ntap-20191024-0004/", "source": "security-officer@isc.org"}, {"url": "https://support.f5.com/csp/article/K42238532?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": "A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query. This affects BIND versions 9.14.0 up to 9.14.6, and 9.15.0 up to 9.15.4."}, {"lang": "es", "value": "Un defecto en el c\u00f3digo agregado para soportar la minimizaci\u00f3n de QNAME puede causar que un nombrado salga con un error de aserci\u00f3n si un reenviador devuelve una referencia en lugar de resolver la consulta. Esto afecta a BIND versiones 9.14.0 hasta 9.14.6 y 9.15.0 hasta 9.15.4."}], "lastModified": "2023-11-07T03:13:10.557", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "139ED9D5-ED04-479F-B9E2-2E5BB257C5CB", "versionEndIncluding": "9.14.6", "versionStartIncluding": "9.14.0"}, {"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F910D6A0-1E35-443D-A57F-C4A8951B69F3", "versionEndIncluding": "9.15.4", "versionStartIncluding": "9.15.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-officer@isc.org"}