CVE-2013-2125 Denial of service in n/a
Remote attackers can cause denial of service in OpenSMTPD by keeping SSL connections open, blocking legitimate traffic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2125?
CVE-2013-2125 is a medium-severity denial of service vulnerability in n/a, published on 27 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.
Weakness: CWE-310
Which versions are affected by CVE-2013-2125?
It affects 1 product.
Products include Openbsd Opensmtpd.
How do I fix CVE-2013-2125?
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-2013-2125 being exploited?
There is no known exploitation of CVE-2013-2125 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2013-2125, GHSA-63q3-5f3r-v5j4.