PT-2017-6670 · Dovecot+1 · Dovecot+1

Hanno Böck · Published 2015-09-14 · Updated 2017-10-05 · CVE-2015-3420

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 2.2.17

Description The issue allows remote attackers to cause a denial of service, specifically a crash of the login process, via vectors related to handshake failures when SSLv3 is disabled.

Recommendations For versions prior to 2.2.17, update to version 2.2.17 or later to resolve the issue.

Fix

DoS

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

ALT-PU-2015-1778

CVE-2015-3420

Affected Products

Alt Linux

Dovecot

References · 16

• https://errata.altlinux.org/ALT-PU-2015-1778 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-3420 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2015-3420 · Vendor Advisory
• https://dovecot.org/pipermail/dovecot/2015-April/100618.html · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-3420 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3420 · Security Note
• https://dovecot.org/pipermail/dovecot-news/2015-May/000292.html · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158261.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-3420 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158236.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2015/04/28/4 · Note
• http://securityfocus.com/bid/74335 · Note
• https://packages.altlinux.org/ru/vuln/CVE-2015-3420 · Note
• http://openwall.com/lists/oss-security/2015/04/27/1 · Note