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[email protected]CVE-2020-8625

HistoryFeb 17, 2021 - 11:15 p.m.

CVE-2020-8625

2021-02-1723:15:13

CWE-120

[email protected]

web.nvd.nist.gov

1189

bind

servers

vulnerability

remote code execution

cve-2020-8625

nvd

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.187 Low

EPSS

Percentile

96.3%

JSON

BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND’s default settings the vulnerable code path is not exposed, but a server can be rendered vulnerable by explicitly setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options. Although the default configuration is not vulnerable, GSS-TSIG is frequently used in networks where BIND is integrated with Samba, as well as in mixed-server environments that combine BIND servers with Active Directory domain controllers. The most likely outcome of a successful exploitation of the vulnerability is a crash of the named process. However, remote code execution, while unproven, is theoretically possible. Affects: BIND 9.5.0 -> 9.11.27, 9.12.0 -> 9.16.11, and versions BIND 9.11.3-S1 -> 9.11.27-S1 and 9.16.8-S1 -> 9.16.11-S1 of BIND Supported Preview Edition. Also release versions 9.17.0 -> 9.17.1 of the BIND 9.17 development branch

Affected configurations

NVD

Node

iscbindRange9.5.0–9.11.27

iscbindRange9.12.0–9.16.11

iscbindMatch9.11.3s1supported_preview

iscbindMatch9.11.5s3supported_preview

iscbindMatch9.11.5s5supported_preview

iscbindMatch9.11.6s1supported_preview

iscbindMatch9.11.7s1supported_preview

iscbindMatch9.11.8s1supported_preview

iscbindMatch9.11.21s1supported_preview

iscbindMatch9.11.27s1supported_preview

iscbindMatch9.16.8s1supported_preview

iscbindMatch9.16.11s1supported_preview

iscbindMatch9.17.0

iscbindMatch9.17.1

Node

debiandebian_linuxMatch9.0

debiandebian_linuxMatch10.0

Node

fedoraprojectfedoraMatch32

fedoraprojectfedoraMatch33

fedoraprojectfedoraMatch34

Node

siemenssinec_infrastructure_network_servicesRange<1.0.1.1

Node

netappcloud_backupMatch-

Node

netappa250Match-

AND

netappa250_firmwareMatch-

Node

netapp500fMatch-

AND

netapp500f_firmwareMatch-

CPENameOperatorVersion
isc:bindisc bindle9.11.27
isc:bindisc bindle9.16.11
isc:bindisc bindeq9.11.3
isc:bindisc bindeq9.11.5
isc:bindisc bindeq9.11.6
isc:bindisc bindeq9.11.7
isc:bindisc bindeq9.11.8
isc:bindisc bindeq9.11.21
isc:bindisc bindeq9.16.8
isc:bindisc bindeq9.17.0

CPE	Name	Operator	Version
isc:bind	isc bind	le	9.11.27
isc:bind	isc bind	le	9.16.11
isc:bind	isc bind	eq	9.11.3
isc:bind	isc bind	eq	9.11.5
isc:bind	isc bind	eq	9.11.6
isc:bind	isc bind	eq	9.11.7
isc:bind	isc bind	eq	9.11.8
isc:bind	isc bind	eq	9.11.21
isc:bind	isc bind	eq	9.16.8
isc:bind	isc bind	eq	9.17.0

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CNA Affected

[
  {
    "product": "BIND9",
    "vendor": "ISC",
    "versions": [
      {
        "status": "affected",
        "version": "Open Source Branches 9.5 though 9.11 9.5.0 through versions before 9.11.28"
      },
      {
        "status": "affected",
        "version": "Open Source Branches 9.12 though 9.16 9.12.0 through versions before 9.16.12"
      },
      {
        "status": "affected",
        "version": "Supported Preview Branch 9.11-S 9.11.3-S1 through versions before 9.11.28-S1"
      },
      {
        "status": "affected",
        "version": "Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.12-S1"
      },
      {
        "status": "affected",
        "version": "Development Branch 9.17 9.17.0 through versions before 9.17.2"
      }
    ]
  }
]