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debianDebianDEBIAN:DLA-2955-2:CDB18
HistoryMar 19, 2022 - 4:30 p.m.

[SECURITY] [DLA 2955-2] bind9 regression update

2022-03-1916:30:57
lists.debian.org
13

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

53.9%


Debian LTS Advisory DLA-2955-2 [email protected]
https://www.debian.org/lts/security/ Markus Koschany
March 19, 2022 https://wiki.debian.org/LTS

Package : bind9
Version : 1:9.10.3.dfsg.P4-12.3+deb9u12
CVE ID : CVE-2021-25220
Debian Bug : 1007945

The security update announced as DLA 2955-1 caused a regression in named due to
an incomplete fix for CVE-2021-25220 when the Forwarders option was configured.
Updated bind9 packages are now available to correct this issue.

For Debian 9 stretch, this problem has been fixed in version
1:9.10.3.dfsg.P4-12.3+deb9u12.

We recommend that you upgrade your bind9 packages.

For the detailed security status of bind9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/bind9

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: This is a digitally signed message part

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

53.9%