CVE-2014-3506 Denial of service in n/a
Remote attackers can cause denial of service in OpenSSL via crafted DTLS handshake messages triggering excessive memory consumption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-3506?
CVE-2014-3506 is a medium-severity denial of service vulnerability in Openssl Openssl, published on 13 Aug 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via crafted DTLS handshake messages that trigger memory allocations corresponding to large length values.
Weakness: CWE-399
Which versions are affected by CVE-2014-3506?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2014-3506?
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-2014-3506 being exploited?
There is no known exploitation of CVE-2014-3506 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2014-3506, GHSA-9x6f-2q3g-8x4r, UBUNTU-CVE-2014-3506.