CVE-2022-3080 BIND 9 resolvers configured to answer from stale cache with zero stale-answer-client-timeout may terminate unexpectedly

2022-09-2100:00:00

isc

github.com

cve-2022-3080

bind 9

resolver crash

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

JSON

By sending specific queries to the resolver, an attacker can cause named to crash.

CNA Affected

[
  {
    "vendor": "ISC",
    "product": "BIND9",
    "versions": [
      {
        "version": "Open Source Branch 9.16 9.16.14 through versions before 9.16.33",
        "status": "affected"
      },
      {
        "version": "Open Source Branch 9.18 9.18.0 through versions before 9.18.7",
        "status": "affected"
      },
      {
        "version": "Supported Preview Branch 9.16-S 9.16.14-S1 through versions before 9.16.33-S1",
        "status": "affected"
      },
      {
        "version": "Development Branch 9.19 9.19.0 through versions before 9.19.5",
        "status": "affected"
      }
    ]
  }
]