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

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

  • Risk change from: 7.5 to: 5.9 - (MEDIUM)

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.