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ubuntucveUbuntu.comUB:CVE-2021-25215
HistoryApr 28, 2021 - 12:00 a.m.

CVE-2021-25215

2021-04-2800:00:00
ubuntu.com
ubuntu.com
34
cve-2021-25215
bind 9
vulnerability
assertion check
named process
record query

CVSS2

5

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

CVSS3

7.5

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

EPSS

0.067

Percentile

93.9%

JSON

In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 ->
9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition,
as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development
branch, when a vulnerable version of named receives a query for a record
triggering the flaw described above, the named process will terminate due
to a failed assertion check. The vulnerability affects all currently
maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as
all other versions of BIND 9.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbind9< 1:9.11.3+dfsg-1ubuntu1.15UNKNOWN
ubuntu20.04noarchbind9< 1:9.16.1-0ubuntu2.8UNKNOWN
ubuntu20.10noarchbind9< 1:9.16.6-3ubuntu1.2UNKNOWN
ubuntu21.04noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
ubuntu21.10noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
ubuntu22.04noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
ubuntu22.10noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
ubuntu23.04noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
ubuntu23.10noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
ubuntu24.04noarchbind9< 1:9.16.8-1ubuntu3.1UNKNOWN
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CVSS2

5

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

CVSS3

7.5

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

EPSS

0.067

Percentile

93.9%

JSON
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