RHEL 8 : cyrus-imapd (RHSA-2021:3492)

high Nessus Plugin ID 153233

Synopsis

The remote Red Hat host is missing a security update for cyrus-imapd.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3492 advisory.

The Cyrus IMAP server provides access to personal mail, system-wide bulletin boards, news-feeds, calendar and contacts through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols.

Security Fix(es):

* cyrus-imapd: Denial of service via string hashing algorithm collisions (CVE-2021-33582)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL cyrus-imapd package based on the guidance in RHSA-2021:3492.

See Also

http://www.nessus.org/u?231a10a0

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2021:3492

https://bugzilla.redhat.com/show_bug.cgi?id=1993232

Plugin Details

Severity: High

ID: 153233

File Name: redhat-RHSA-2021-3492.nasl

Version: 1.9

Type: local

Agent: unix

Published: 9/13/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-33582

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:redhat:enterprise_linux:cyrus-imapd, cpe:/o:redhat:rhel_eus:8.4, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd-vzic, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd-utils, cpe:/o:redhat:enterprise_linux:8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/13/2021

Vulnerability Publication Date: 9/1/2021

Reference Information

CVE: CVE-2021-33582

CWE: 400

RHSA: 2021:3492