CVE-2020-24386

Summary:

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).

Reference Links(if available):

https://dovecot.org/security

https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html

http://www.openwall.com/lists/oss-security/2021/01/04/4

https://doc.dovecot.org/configuration_manual/hibernation/

https://www.debian.org/security/2021/dsa-4825

CVSS Score (if available)

v2: / MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Links to Exploits(if available)