FreeBSD : dovecot -- Dovecot DoS when passdb dict was used for authentication (a8c8001b-216c-11e7-80aa-005056925db4)

High Nessus Plugin ID 99750


The remote FreeBSD host is missing one or more security-related updates.


Timo Sirainen reports :

passdb/userdb dict: Don't double-expand %variables in keys. If dict was used as the authentication passdb, using specially crafted %variables in the username could be used to cause DoS.


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 99750

File Name: freebsd_pkg_a8c8001b216c11e780aa005056925db4.nasl

Version: $Revision: 3.2 $

Type: local

Published: 2017/05/01

Modified: 2017/08/14

Dependencies: 12634

Risk Information

Risk Factor: High

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:dovecot, p-cpe:/a:freebsd:freebsd:dovecot2, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2017/04/30

Vulnerability Publication Date: 2016/12/01

Reference Information

CVE: CVE-2017-2669