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Debian DLA-1859-1 : bind9 security update

high Nessus Plugin ID 126836

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Synopsis

The remote Debian host is missing a security update.

Description

A vulnerability was found in the Bind DNS Server. Limits on simultaneous tcp connections have not been enforced correctly and could lead to exhaustion of file descriptors. In the worst case this could affect the file descriptors of the whole system.

For Debian 8 'Jessie', this problem has been fixed in version 1:9.9.5.dfsg-9+deb8u18.

We recommend that you upgrade your bind9 packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2019/07/msg00019.html

https://packages.debian.org/source/jessie/bind9

Plugin Details

Severity: High

ID: 126836

File Name: debian_DLA-1859.nasl

Version: 1.6

Type: local

Agent: unix

Published: 7/22/2019

Updated: 5/9/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2018-5743

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:bind9, p-cpe:/a:debian:debian_linux:bind9-doc, p-cpe:/a:debian:debian_linux:bind9-host, p-cpe:/a:debian:debian_linux:bind9utils, p-cpe:/a:debian:debian_linux:dnsutils, p-cpe:/a:debian:debian_linux:host, p-cpe:/a:debian:debian_linux:libbind-dev, p-cpe:/a:debian:debian_linux:libbind-export-dev, p-cpe:/a:debian:debian_linux:libbind9-90, p-cpe:/a:debian:debian_linux:libdns-export100, p-cpe:/a:debian:debian_linux:libdns-export100-udeb, p-cpe:/a:debian:debian_linux:libdns100, p-cpe:/a:debian:debian_linux:libirs-export91, p-cpe:/a:debian:debian_linux:libirs-export91-udeb, p-cpe:/a:debian:debian_linux:libisc-export95, p-cpe:/a:debian:debian_linux:libisc-export95-udeb, p-cpe:/a:debian:debian_linux:libisc95, p-cpe:/a:debian:debian_linux:libisccc90, p-cpe:/a:debian:debian_linux:libisccfg-export90, p-cpe:/a:debian:debian_linux:libisccfg-export90-udeb, p-cpe:/a:debian:debian_linux:libisccfg90, p-cpe:/a:debian:debian_linux:liblwres90, p-cpe:/a:debian:debian_linux:lwresd, cpe:/o:debian:debian_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 7/21/2019

Vulnerability Publication Date: 10/9/2019

Reference Information

CVE: CVE-2018-5743