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Scientific Linux Security Update : bind on SL7.x i686/x86_64 (2023:0402)

medium Nessus Plugin ID 170639

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Synopsis

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

Description

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2023:0402-1 advisory.

 - bind: DNS forwarders cache poisoning vulnerability (CVE-2021-25220)

 - bind: processing large delegations may severely degrade resolver performance (CVE-2022-2795)

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://www.scientificlinux.org/category/sl-errata/slsa-20230402-1

Plugin Details

Severity: Medium

ID: 170639

File Name: sl_20230124_bind_on_SL7_x.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/25/2023

Updated: 1/30/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-25220

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:bind, p-cpe:/a:fermilab:scientific_linux:bind-chroot, p-cpe:/a:fermilab:scientific_linux:bind-debuginfo, p-cpe:/a:fermilab:scientific_linux:bind-devel, p-cpe:/a:fermilab:scientific_linux:bind-export-devel, p-cpe:/a:fermilab:scientific_linux:bind-export-libs, p-cpe:/a:fermilab:scientific_linux:bind-libs, p-cpe:/a:fermilab:scientific_linux:bind-libs-lite, p-cpe:/a:fermilab:scientific_linux:bind-license, p-cpe:/a:fermilab:scientific_linux:bind-lite-devel, p-cpe:/a:fermilab:scientific_linux:bind-pkcs11, p-cpe:/a:fermilab:scientific_linux:bind-pkcs11-devel, p-cpe:/a:fermilab:scientific_linux:bind-pkcs11-libs, p-cpe:/a:fermilab:scientific_linux:bind-pkcs11-utils, p-cpe:/a:fermilab:scientific_linux:bind-sdb, p-cpe:/a:fermilab:scientific_linux:bind-sdb-chroot, p-cpe:/a:fermilab:scientific_linux:bind-utils

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/24/2023

Vulnerability Publication Date: 3/16/2022

Reference Information

CVE: CVE-2021-25220, CVE-2022-2795

IAVA: 2022-A-0122-S, 2022-A-0387-S

RHSA: RHSA-2023:0402