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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : 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&utm_medium=RSS

Advertisement

Configurations

Configuration 1 (hide)

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

Information

Published : 2019-10-17 13:15

Updated : 2019-10-23 23:15

NVD link : CVE-2019-6476

Mitre link : CVE-2019-6476

JSON object : View

CWE

CWE-617

Reachable Assertion

Advertisement

Products Affected

isc

bind

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://kb.isc.org/docs/cve-2019-6476", "name": "https://kb.isc.org/docs/cve-2019-6476", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://security.netapp.com/advisory/ntap-20191024-0004/", "name": "https://security.netapp.com/advisory/ntap-20191024-0004/", "tags": [], "refsource": "CONFIRM"}, {"url": "https://support.f5.com/csp/article/K42238532?utm_source=f5support&utm_medium=RSS", "name": "https://support.f5.com/csp/article/K42238532?utm_source=f5support&utm_medium=RSS", "tags": [], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-617"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-6476", "ASSIGNER": "security-officer@isc.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2019-10-17T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "9.14.6", "versionStartIncluding": "9.14.0"}, {"cpe23Uri": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "9.15.4", "versionStartIncluding": "9.15.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-24T06:15Z"}