Description
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.
Metrics
CVSS 3.0 5.9/10
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://dovecot.org/pipermail/dovecot-news/2016-December/000333.htmlRelease Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/02/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/12Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94639Third Party Advisory, VDB Entry
- http://dovecot.org/pipermail/dovecot-news/2016-December/000333.htmlRelease Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/02/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/12Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94639Third Party Advisory, VDB Entry
Timeline
- Published
- Feb 17, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified