SB2021010708 - Information disclosure in dovecot (Alpine package)



SB2021010708 - Information disclosure in dovecot (Alpine package)

Published: January 7, 2021

Security Bulletin ID SB2021010708
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2020-24386)

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to an error, related to IMAP hibernation. A remote user can run a specially crafted command to discover system directory structure and access emails of other users.


Remediation

Install update from vendor's website.