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EUVD-2020-17118 · Published Jan 4, 2021
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).
Technologies
Dovecot DovecotFedoraproject FedoraDebian Debian Linux
Weaknesses
NVD-CWE-Other
CVSS scores
- v3.16.8
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N - v2.04.9
AV:N/AC:M/Au:S/C:P/I:P/A:N
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Initial Access
References
- http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html
- http://seclists.org/fulldisclosure/2021/Jan/18
- http://www.openwall.com/lists/oss-security/2021/01/04/4
- https://doc.dovecot.org/configuration_manual/hibernation/
- https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
- https://dovecot.org/security
Potentially impacted assets
See if this affects your attack surface
