CVE-2011-4619 Denial of service in n/a
Remote attackers can cause a denial of service via CPU consumption in OpenSSL's Server Gated Cryptography implementation due to improper handshake restart handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4619?
CVE-2011-4619 is a medium-severity denial of service vulnerability in Openssl Openssl, published on 6 Jan 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Server Gated Cryptography (SGC) implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly handle handshake restarts, which allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors.
Weakness: CWE-399
Which versions are affected by CVE-2011-4619?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2011-4619?
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-2011-4619 being exploited?
There is no known exploitation of CVE-2011-4619 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2011-4619, GHSA-9866-p82r-56gj.