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nvd[email protected]NVD:CVE-2020-8622
HistoryAug 21, 2020 - 9:15 p.m.

CVE-2020-8622

2020-08-2121:15:12
CWE-617
[email protected]
web.nvd.nist.gov
5
bind 9
truncated response
vulnerability

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.004

Percentile

74.0%

JSON

In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit.

Affected configurations

Nvd
Node
iscbindRange9.0.0–9.11.21
OR
iscbindRange9.12.0–9.16.5
OR
iscbindRange9.17.0–9.17.3
Node
iscbindMatch9.9.3s1supported_preview
OR
iscbindMatch9.11.21s1supported_preview
Node
fedoraprojectfedoraMatch31
OR
fedoraprojectfedoraMatch32
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
Node
canonicalubuntu_linuxMatch12.04-
OR
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04esm
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch20.04lts
Node
netappsteelstore_cloud_integrated_storageMatch-
Node
opensuseleapMatch15.1
OR
opensuseleapMatch15.2
Node
synologydns_serverRange<2.2.2-5028
Node
oraclecommunications_diameter_signaling_routerRange8.0.0–8.5.0
VendorProductVersionCPE
iscbind*cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
iscbind9.9.3cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:*
iscbind9.11.21cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*
fedoraprojectfedora31cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
canonicalubuntu_linux12.04cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Rows per page:
1-10 of 171

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CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.004

Percentile

74.0%

JSON
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