RHEL 8 : cyrus-imapd (RHSA-2020:4655)

critical Nessus Plugin ID 142383

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Synopsis

The remote Red Hat host is missing one or more security updates for cyrus-imapd.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4655 advisory.

The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support.

Security Fix(es):

* cyrus-imapd: privilege escalation in HTTP request (CVE-2019-18928)

* cyrus-imapd: lmtpd component created mailboxes with administrator privileges if the fileinto was used, bypassing ACL checks (CVE-2019-19783)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from 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 these issues 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-2020:4655.

Plugin Details

Severity: Critical

ID: 142383

File Name: redhat-RHSA-2020-4655.nasl

Version: 1.11

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/4/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-18928

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

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

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: 11/4/2020

Vulnerability Publication Date: 11/15/2019

Reference Information

CVE: CVE-2019-18928, CVE-2019-19783

CWE: 287

RHSA: 2020:4655

Detections

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