Detections
Analytics
AlmaLinux 8 : dovecot (ALSA-2021:1887)
medium Nessus Plugin ID 157483
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:1887 advisory.- An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure). (CVE-2020-24386)
- Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts. (CVE-2020-25275)
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
Plugin Details
Severity: Medium
ID: 157483
File Name: alma_linux_ALSA-2021-1887.nasl
Version: 1.3
Type: local
Family: Alma Linux Local Security Checks
Published: 2/9/2022
Updated: 2/14/2022
Supported Sensors: 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: p-cpe:/a:alma:linux:dovecot, p-cpe:/a:alma:linux:dovecot-devel, p-cpe:/a:alma:linux:dovecot-mysql, p-cpe:/a:alma:linux:dovecot-pgsql, p-cpe:/a:alma:linux:dovecot-pigeonhole, cpe:/o:alma:linux:8
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list
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