PT-2017-9716 · Dovecot+1 · Dovecot+1

Aki Tuomi · Published 2017-02-16 · Updated 2017-03-15 · CVE-2016-8652

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Dovecot versions prior to 2.2.27

Description The issue allows remote attackers to cause a denial of service by aborting authentication without setting a username when the auth-policy is configured in the auth component.

Recommendations For versions prior to 2.2.27, update to version 2.2.27 or later to resolve the issue.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2017-1282

CVE-2016-8652

Affected Products

Alt Linux

Dovecot

References · 11

• https://errata.altlinux.org/ALT-PU-2017-1282 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8652 · Security Note
• http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-8652 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-8652 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-8652 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-8652 · Vendor Advisory
• http://openwall.com/lists/oss-security/2016/12/02/4 · Note
• https://packages.altlinux.org/ru/vuln/CVE-2016-8652 · Note
• http://openwall.com/lists/oss-security/2016/12/05/12 · Note
• http://securityfocus.com/bid/94639 · Note