Description
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).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://dovecot.org/security ↗
- http://www.openwall.com/lists/oss-security/2021/01/04/4 ↗
- https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html ↗
- https://doc.dovecot.org/configuration_manual/hibernation/ ↗
- https://www.debian.org/security/2021/dsa-4825 ↗
- http://seclists.org/fulldisclosure/2021/Jan/18 ↗
- http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html ↗
- https://security.gentoo.org/glsa/202101-01 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/ ↗