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ubuntucveUbuntu.comUB:CVE-2020-8620
HistoryAug 20, 2020 - 12:00 a.m.

CVE-2020-8620

2020-08-2000:00:00
ubuntu.com
ubuntu.com
15

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

0.013 Low

EPSS

Percentile

85.9%

In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a
TCP connection with the server and send data on that connection can exploit
this to trigger the assertion failure, causing the server to exit.

Notes

Author Note
alexmurray Affects versions 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchbind9< 1:9.16.1-0ubuntu2.3UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

0.013 Low

EPSS

Percentile

85.9%