CVE-2014-3507 Denial of service in n/a
Remote attackers can cause denial of service via memory consumption in OpenSSL's DTLS implementation by sending zero-length fragments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-3507?
CVE-2014-3507 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
Memory leak in 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 zero-length DTLS fragments that trigger improper handling of the return value of a certain insert function.
Weakness: CWE-399
Which versions are affected by CVE-2014-3507?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2014-3507?
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-2014-3507 being exploited?
There is no known exploitation of CVE-2014-3507 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2014-3507, GHSA-r65x-rhxq-wj53, UBUNTU-CVE-2014-3507.