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Test ID:1.3.6.1.4.1.25623.1.0.883240
Category:CentOS Local Security Checks
Title:CentOS: Security Advisory for bind (CESA-2020:2344)
Summary:The remote host is missing an update for the 'bind'; package(s) announced via the CESA-2020:2344 advisory.
Description:Summary:
The remote host is missing an update for the 'bind'
package(s) announced via the CESA-2020:2344 advisory.

Vulnerability Insight:
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain
Name System (DNS) protocols. BIND includes a DNS server (named), a resolver
library (routines for applications to use when interfacing with DNS), and
tools for verifying that the DNS server is operating correctly.

Security Fix(es):

* bind: BIND does not sufficiently limit the number of fetches performed
when processing referrals (CVE-2020-8616)

* bind: A logic error in code which checks TSIG validity can be used to
trigger an assertion failure in tsig.c (CVE-2020-8617)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Affected Software/OS:
'bind' package(s) on CentOS 7.

Solution:
Please install the updated package(s).

CVSS Score:
5.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-8616
Debian Security Information: DSA-4689 (Google Search)
https://www.debian.org/security/2020/dsa-4689
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOGCJS2XQ3SQNF4W6GLZ73LWZJ6ZZWZI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JKJXVBOKZ36ER3EUCR7VRB7WGHIIMPNJ/
http://www.nxnsattack.com
https://lists.debian.org/debian-lts-announce/2020/05/msg00031.html
http://www.openwall.com/lists/oss-security/2020/05/19/4
https://usn.ubuntu.com/4365-1/
https://usn.ubuntu.com/4365-2/
Common Vulnerability Exposure (CVE) ID: CVE-2020-8617
http://packetstormsecurity.com/files/157836/BIND-TSIG-Denial-Of-Service.html
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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