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

CVE-2019-6476

5.9MEDIUM

Key Information

Vendor
Isc
Status
Bind 9
Vendor
CVE Published:
16 October 2019

Summary

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.

Affected Version(s)

BIND 9 9.14.0 up to 9.14.6

BIND 9 9.15.0 up to 9.15.4

References

https://kb.isc.org/docs/cve-2019-6476
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https://security.netapp.com/advisory/ntap-20191024-0004/
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https://support.f5.com/csp/article/K42238532?utm_source=f...
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CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.