Date: Mon, 5 Dec 2016 09:00:13 +0200 From: Aki Tuomi <aki.tuomi@...ecot.fi> To: oss-security@...ts.openwall.com Subject: Re: Important vulnerability in Dovecot (CVE-2016-8652) On 02.12.2016 09:02, Aki Tuomi wrote: > Important vulnerability in Dovecot (CVE-2016-8652) > CVSS score: 7.4 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H) > Affected version(s): 188.8.131.52 up to 184.108.40.206 > Fixed in: 220.127.116.11rc1 > > Short summary: Dovecot auth component can be crashed by remote user when > auth-policy component is activated. > > If auth-policy component has been activated in Dovecot, then remote user > can use SASL authentication to crash auth component. > > Workaround is to disable auth-policy component until fix is in place. > This can be done by commenting out all auth_policy_* settings. > > Aki Tuomi > Dovecot oy > The affected versions are from 2.2.25 to 18.104.22.168. Aki Tuomi Dovecot oy
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