CVE-2014-3430 Denial of service in n/a
Remote attackers can cause denial of service in Dovecot mail servers by initiating incomplete SSL/TLS handshakes, leading to resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-3430?
CVE-2014-3430 is a medium-severity denial of service vulnerability in Dovecot Dovecot, published on 14 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2014-3430?
It affects 1 product.
Linux distribution packages (22)
dovecot Red Hat:enterprise_linux:6::server | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-debuginfo Red Hat:enterprise_linux:6::server | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-devel Red Hat:enterprise_linux:6::server | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-mysql Red Hat:enterprise_linux:6::server | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-pgsql Red Hat:enterprise_linux:6::server | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-pigeonhole Red Hat:enterprise_linux:6::server | All versions | 1:2.0.9-7.el6_5.1 |
dovecot Red Hat:enterprise_linux:6::workstation | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-devel Red Hat:enterprise_linux:6::workstation | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-mysql Red Hat:enterprise_linux:6::workstation | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-pgsql Red Hat:enterprise_linux:6::workstation | All versions | 1:2.0.9-7.el6_5.1 |
dovecot-pigeonhole Red Hat:enterprise_linux:6::workstation | All versions | 1:2.0.9-7.el6_5.1 |
dovecot Red Hat:enterprise_linux:7::server | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-debuginfo Red Hat:enterprise_linux:7::server | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-mysql Red Hat:enterprise_linux:7::server | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-pgsql Red Hat:enterprise_linux:7::server | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-pigeonhole Red Hat:enterprise_linux:7::server | All versions | 1:2.2.10-4.el7_0.1 |
dovecot Red Hat:enterprise_linux:7::workstation | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-mysql Red Hat:enterprise_linux:7::workstation | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-pgsql Red Hat:enterprise_linux:7::workstation | All versions | 1:2.2.10-4.el7_0.1 |
dovecot-pigeonhole Red Hat:enterprise_linux:7::workstation | All versions | 1:2.2.10-4.el7_0.1 |
Products include Dovecot Dovecot.
How do I fix CVE-2014-3430?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2014-3430 being exploited?
There is no known exploitation of CVE-2014-3430 in the wild and no public exploit code.
Other vulnerabilities in Dovecot Dovecot
Sources
Also known as DEBIAN-CVE-2014-3430, DLA-0004-1, DSA-2954-1, GHSA-45g3-59h2-54v9, MGASA-2014-0223, RHSA-2014:0790 and 2 more.