CVE-2020-8624 update-policy rules of type "subdomain" are enforced incorrectly

2020-08-2120:50:20

isc

www.cve.org

cve-2020-8624

bind

update-policy

subdomain

vulnerability

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.8

Confidence

High

EPSS

0.003

Percentile

68.7%

JSON

In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone’s content could abuse these unintended additional privileges to update other contents of the zone.

CNA Affected

[
  {
    "product": "BIND9",
    "vendor": "ISC",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.9.12",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "9.9.13",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.10.7",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "9.10.8",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.11.3",
        "versionType": "custom"
      },
      {
        "lessThan": "9.11.22",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.12.1",
        "versionType": "custom"
      },
      {
        "lessThan": "9.16.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.17.0",
        "versionType": "custom"
      },
      {
        "lessThan": "9.17.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.9.12-S1",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "9.9.13-S1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.11.3-S1",
        "versionType": "custom"
      },
      {
        "lessThan": "9.11.22-S1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]