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AlmaLinux 8 : cyrus-sasl (ALSA-2020:4497)

high Nessus Plugin ID 157695

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2020:4497 advisory.

 - cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of- service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl. (CVE-2019-19906)

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

Solution

Update the affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2020-4497.html

Plugin Details

Severity: High

ID: 157695

File Name: alma_linux_ALSA-2020-4497.nasl

Version: 1.4

Type: local

Published: 2/9/2022

Updated: 11/10/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-19906

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alma:linux:cyrus-sasl-scram, p-cpe:/a:alma:linux:cyrus-sasl-md5, p-cpe:/a:alma:linux:cyrus-sasl-gssapi, p-cpe:/a:alma:linux:cyrus-sasl-gs2, p-cpe:/a:alma:linux:cyrus-sasl-devel, p-cpe:/a:alma:linux:cyrus-sasl-lib, p-cpe:/a:alma:linux:cyrus-sasl-ntlm, p-cpe:/a:alma:linux:cyrus-sasl-plain, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:cyrus-sasl, p-cpe:/a:alma:linux:cyrus-sasl-ldap, p-cpe:/a:alma:linux:cyrus-sasl-sql

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2020

Vulnerability Publication Date: 12/19/2019

Reference Information

CVE: CVE-2019-19906