SUSE SLES15 Security Update : bind (SUSE-SU-2022:3729-1)

high Nessus Plugin ID 166528

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3729-1 advisory.

- By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
(CVE-2022-2795)

- By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. (CVE-2022-38177)

- By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. (CVE-2022-38178)

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.

Plugin Details

Severity: High

ID: 166528

File Name: suse_SU-2022-3729-1.nasl

Version: 1.10

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/26/2022

Updated: 10/25/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2022-38178

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:novell:suse_linux:libbind9-1600, p-cpe:/a:novell:suse_linux:bind-chrootenv, p-cpe:/a:novell:suse_linux:bind-devel, p-cpe:/a:novell:suse_linux:python3-bind, p-cpe:/a:novell:suse_linux:libirs-devel, p-cpe:/a:novell:suse_linux:bind, p-cpe:/a:novell:suse_linux:bind-doc, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libns1604, p-cpe:/a:novell:suse_linux:libdns1605, p-cpe:/a:novell:suse_linux:libisccc1600, p-cpe:/a:novell:suse_linux:libisc1606, p-cpe:/a:novell:suse_linux:libirs1601, p-cpe:/a:novell:suse_linux:libisccfg1600, p-cpe:/a:novell:suse_linux:bind-utils

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/25/2022

Vulnerability Publication Date: 9/21/2022

Reference Information

CVE: CVE-2022-2795, CVE-2022-38177, CVE-2022-38178

IAVA: 2022-A-0387-S

SuSE: SUSE-SU-2022:3729-1

Detections

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