Improper Authentication in Dovecot - CVE-2014-3430
Published: May 14, 2014 / Updated: July 28, 2020
Vulnerability identifier: #VU32529
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-3430
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Dovecot 1.1 before 2.2.13 and dovecot-ee before 2.1.7.7 and 2.2.x before 2.2.12.12 does not properly close old connections, which allows remote attackers to cause a denial of service (resource consumption) via an incomplete SSL/TLS handshake for an IMAP/POP3 connection.
Affected software
Dovecot
Amazon Linux AMI
Gentoo Linux
dovecot (Alpine package)
Amazon Linux AMI
Gentoo Linux
dovecot (Alpine package)
How to mitigate CVE-2014-3430
Install update from vendor's website.
Dovecot - update to 2.2.13
dovecot (Alpine package) - update to 2.1.10-r2
dovecot (Alpine package) - update to 2.1.10-r2
External References
- http://advisories.mageia.org/MGASA-2014-0223.html
- http://dovecot.org/pipermail/dovecot-news/2014-May/000273.html
- http://linux.oracle.com/errata/ELSA-2014-0790.html
- http://permalink.gmane.org/gmane.mail.imap.dovecot/77499
- http://rhn.redhat.com/errata/RHSA-2014-0790.html
- http://secunia.com/advisories/59051
- http://secunia.com/advisories/59537
- http://secunia.com/advisories/59552
- http://www.debian.org/security/2014/dsa-2954
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:113
- http://www.openwall.com/lists/oss-security/2014/05/09/4
- http://www.openwall.com/lists/oss-security/2014/05/09/8
- http://www.securityfocus.com/bid/67306
- http://www.ubuntu.com/usn/USN-2213-1