Detections
Analytics

Oracle Linux 7 : bind (ELSA-2020-1061)

medium Nessus Plugin ID 180700

Language:

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-1061 advisory.

 - Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the zones are writable Versions affected: BIND 9.9.0 -> 9.10.8-P1, 9.11.0 -> 9.11.5-P2, 9.12.0 -> 9.12.3-P2, and versions 9.9.3-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected. Versions prior to BIND 9.9.0 have not been evaluated for vulnerability to CVE-2019-6465. (CVE-2019-6465)

 - managed-keys is a feature which allows a BIND resolver to automatically maintain the keys used by trust anchors which operators configure for use in DNSSEC validation. Due to an error in the managed-keys feature it is possible for a BIND server which uses managed-keys to exit due to an assertion failure if, during key rollover, a trust anchor's keys are replaced with keys which use an unsupported algorithm.
 Versions affected: BIND 9.9.0 -> 9.10.8-P1, 9.11.0 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.9.3-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected. Versions prior to BIND 9.9.0 have not been evaluated for vulnerability to CVE-2018-5745. (CVE-2018-5745)

 - With pipelining enabled each incoming query on a TCP connection requires a similar resource allocation to a query received via UDP or via TCP without pipelining enabled. A client using a TCP-pipelined connection to a server could consume more resources than the server has been provisioned to handle. When a TCP connection with a large number of pipelined queries is closed, the load on the server releasing these multiple resources can cause it to become unresponsive, even for queries that can be answered authoritatively or from cache. (This is most likely to be perceived as an intermittent server problem).
 (CVE-2019-6477)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2020-1061.html

Plugin Details

Severity: Medium

ID: 180700

File Name: oraclelinux_ELSA-2020-1061.nasl

Version: 1.0

Type: local

Agent: unix

Published: 9/7/2023

Updated: 9/7/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, 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:P/I:N/A:N

CVSS Score Source: CVE-2019-6465

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:bind, p-cpe:/a:oracle:linux:bind-chroot, p-cpe:/a:oracle:linux:bind-devel, p-cpe:/a:oracle:linux:bind-export-devel, p-cpe:/a:oracle:linux:bind-export-libs, p-cpe:/a:oracle:linux:bind-libs, p-cpe:/a:oracle:linux:bind-libs-lite, p-cpe:/a:oracle:linux:bind-license, p-cpe:/a:oracle:linux:bind-lite-devel, p-cpe:/a:oracle:linux:bind-pkcs11, p-cpe:/a:oracle:linux:bind-pkcs11-devel, p-cpe:/a:oracle:linux:bind-pkcs11-libs, p-cpe:/a:oracle:linux:bind-pkcs11-utils, p-cpe:/a:oracle:linux:bind-sdb, p-cpe:/a:oracle:linux:bind-sdb-chroot, p-cpe:/a:oracle:linux:bind-utils

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 4/6/2020

Vulnerability Publication Date: 2/21/2019

Reference Information

CVE: CVE-2018-5745, CVE-2019-6465, CVE-2019-6477

IAVA: 2019-A-0069-S, 2019-A-0434-S