CVE-2020-24386 log

Source	CVE Red Hat MITRE NVD Debian Ubuntu SUSE Alpine Mageia CVE Details CIRCL Bugs Arch Linux Red Hat Gentoo SUSE GitHub Lists oss-security full-disclosure bugtraq Misc GitHub code web search
Severity	High
Remote	Yes
Type	Information disclosure
Description	A security issue was discovered in dovecot version 2.2.26 up to 2.3.11.3. When imap hibernation is active, an attacker can cause dovecot to discover the file system directory structure and access other users' emails using a specially crafted command. The attacker must have valid credentials to access the mail server. The issue is fixed in dovecot version 2.3.13.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1398	dovecot	2.3.11.3-3	2.3.13-1	High	Fixed

Date	Advisory	Group	Package	Severity	Type
04 Jan 2021	ASA-202101-4	AVG-1398	dovecot	High	multiple issues

References
https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html https://github.com/dovecot/core/commit/00df2308b0733e810824545183d73276c416cdd3 https://github.com/dovecot/core/commit/b4a9872b833b7985c7d0e7615f1b7fc812dd4c55

References

https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
https://github.com/dovecot/core/commit/00df2308b0733e810824545183d73276c416cdd3
https://github.com/dovecot/core/commit/b4a9872b833b7985c7d0e7615f1b7fc812dd4c55

Notes
Workaround ========== Operators can choose to disable IMAP hibernation. IMAP hibernation is not on by default. To ensure imap hibernation is disabled, make sure imap_hibernate_timeout is set to 0 or unset.

Notes

Workaround
==========

Operators can choose to disable IMAP hibernation. IMAP hibernation is not on by default. To ensure imap hibernation is disabled, make sure imap_hibernate_timeout is set to 0 or unset.