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

critical Nessus Plugin ID 142383

Synopsis

The remote Red Hat host is missing one or more security updates.

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.

- 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)

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 cyrus-imapd, cyrus-imapd-utils and / or cyrus-imapd-vzic packages.

See Also

https://access.redhat.com/security/cve/CVE-2019-18928

https://access.redhat.com/security/cve/CVE-2019-19783

https://access.redhat.com/errata/RHSA-2020:4655

https://bugzilla.redhat.com/1775177

https://bugzilla.redhat.com/1786756

Plugin Details

Severity: Critical

ID: 142383

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

Version: 1.9

Type: local

Agent: unix

Published: 11/4/2020

Updated: 5/25/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd-utils, p-cpe:/a:redhat:enterprise_linux:cyrus-imapd-vzic

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