CVE-2019-6476 An error in QNAME minimization code can cause BIND to exit with an assertion failure

2019-10-1719:17:39

isc

www.cve.org

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.5

Confidence

High

EPSS

0.003

Percentile

65.6%

JSON

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.

CNA Affected

[
  {
    "product": "BIND 9",
    "vendor": "ISC",
    "versions": [
      {
        "status": "affected",
        "version": "9.14.0 up to 9.14.6"
      },
      {
        "status": "affected",
        "version": "9.15.0 up to 9.15.4"
      }
    ]
  }
]