Detections
Analytics
RHEL 8 : dovecot (RHSA-2021:1887)
medium Nessus Plugin ID 149667
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Synopsis
The remote Red Hat host is missing one or more security updates for dovecot.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1887 advisory.- dovecot: IMAP hibernation function allows mail access (CVE-2020-24386)
- dovecot: Denial of service via mail MIME parsing (CVE-2020-25275)
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 dovecot package based on the guidance in RHSA-2021:1887.See Also
http://www.nessus.org/u?862005a9
http://www.nessus.org/u?c690283e
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2021:1887
https://bugzilla.redhat.com/show_bug.cgi?id=1805947
https://bugzilla.redhat.com/show_bug.cgi?id=1888111
https://bugzilla.redhat.com/show_bug.cgi?id=1894418
Plugin Details
Severity: Medium
ID: 149667
File Name: redhat-RHSA-2021-1887.nasl
Version: 1.9
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/19/2021
Updated: 4/28/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.6
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:N
CVSS Score Source: CVE-2020-24386
CVSS v3
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:dovecot, p-cpe:/a:redhat:enterprise_linux:dovecot-devel, p-cpe:/a:redhat:enterprise_linux:dovecot-mysql, p-cpe:/a:redhat:enterprise_linux:dovecot-pgsql, p-cpe:/a:redhat:enterprise_linux:dovecot-pigeonhole
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: 5/18/2021
Vulnerability Publication Date: 1/4/2021
Reference Information
CVE: CVE-2020-24386, CVE-2020-25275