- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2355-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
August 29, 2020                               https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package        : bind9
Version        : 1:9.10.3.dfsg.P4-12.3+deb9u7
CVE ID         : CVE-2020-8622 CVE-2020-8623


Two issues have been found in bind9, an Internet Domain Name Server.

CVE-2020-8622

      Crafted responses to TSIG-signed requests could lead to an assertion
      failure, causing the server to exit. This could be done by malicious
      server operators or guessing attackers.

CVE-2020-8623

      An assertions failure, causing the server to exit, can be exploited
      by a query for an RSA signed zone.


For Debian 9 stretch, these problems have been fixed in version
1:9.10.3.dfsg.P4-12.3+deb9u7.

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/source-package/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

Debian LTS: DLA-2355-1: bind9 security update

August 29, 2020
Two issues have been found in bind9, an Internet Domain Name Server

Summary

Two issues have been found in bind9, an Internet Domain Name Server.

CVE-2020-8622

Crafted responses to TSIG-signed requests could lead to an assertion
failure, causing the server to exit. This could be done by malicious
server operators or guessing attackers.

CVE-2020-8623

An assertions failure, causing the server to exit, can be exploited
by a query for an RSA signed zone.


For Debian 9 stretch, these problems have been fixed in version
1:9.10.3.dfsg.P4-12.3+deb9u7.

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/source-package/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



Severity
Package : bind9
Version : 1:9.10.3.dfsg.P4-12.3+deb9u7
CVE ID : CVE-2020-8622 CVE-2020-8623

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