ASA-2019-00592 – ISC BIND: An error in QNAME minimization code can cause BIND to exit with an assertion failure

Posted on by Allele Security Intelligence in Alerts

Allele Security Alert

ASA-2019-00592

Identifier(s)

ASA-2019-00592, CVE-2019-6476

Title

An error in QNAME minimization code can cause BIND to exit with an assertion failure

Vendor(s)

Internet Systems Consortium (ISC)

Product(s)

ISC BIND

Affected version(s)

BIND 9.15.x versions before 9.15.5
BIND 9.14.x versions before 9.14.7

Fixed version(s)

BIND version 9.15.5
BIND version 9.14.7

Proof of concept

Unknown

Description

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.

Technical details

Unknown

Credits

Unknown

Reference(s)

CVE-2019-6476: An error in QNAME minimization code can cause BIND to exit with an assertion failure – Security Advisories
https://kb.isc.org/docs/cve-2019-6476

CVE-2019-6476
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6476

CVE-2019-6476
https://nvd.nist.gov/vuln/detail/CVE-2019-6476

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Last modified: October 31, 2019

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