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Test ID:1.3.6.1.4.1.25623.1.0.892355
Category:Debian Local Security Checks
Title:Debian LTS: Security Advisory for bind9 (DLA-2355-1)
Summary:The remote host is missing an update for the 'bind9'; package(s) announced via the DLA-2355-1 advisory.
Description:Summary:
The remote host is missing an update for the 'bind9'
package(s) announced via the DLA-2355-1 advisory.

Vulnerability Insight:
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.

Affected Software/OS:
'bind9' package(s) on Debian Linux.

Solution:
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.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-8622
https://kb.isc.org/docs/cve-2020-8622
Debian Security Information: DSA-4752 (Google Search)
https://www.debian.org/security/2020/dsa-4752
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
https://security.gentoo.org/glsa/202008-19
https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html
https://usn.ubuntu.com/4468-1/
https://usn.ubuntu.com/4468-2/
Common Vulnerability Exposure (CVE) ID: CVE-2020-8623
https://kb.isc.org/docs/cve-2020-8623
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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