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CVE-2019-6476

Good to know:

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Date: October 24, 2019

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.

Language: C

Severity Score

Related Resources (5)

https://github.com/isc-projects/bind9/commit/622bef6aeca9b31d341483bbba812af378515c6e#diff-7dd547fb92ba96b7830102f1c981c3a2
https://nvd.nist.gov/vuln/detail/CVE-2019-6476
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6476
https://security.alpinelinux.org/vuln/CVE-2019-6476
https://www.mend.io/vulnerability-database/CVE-2019-6476

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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Upgrade Version

Upgrade to version 9.14.7,9.15.5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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