CVE-2014-3569 Null dereference in n/a
Remote attackers can crash the application via a null pointer dereference in OpenSSL when handling unexpected SSLv3 handshakes on no-ssl3 configurations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-3569?
CVE-2014-3569 is a medium-severity vulnerability in Openssl Openssl, published on 24 Dec 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unexpected handshake, as demonstrated by an SSLv3 handshake to a no-ssl3 application with certain error handling. NOTE: this issue became relevant after the CVE-2014-3568 fix.
Which versions are affected by CVE-2014-3569?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2014-3569?
Upgrade to a fixed version.
Is CVE-2014-3569 being exploited?
There is no known exploitation of CVE-2014-3569 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as CVE-2015-3569, DEBIAN-CVE-2014-3569, GHSA-66cr-qxrv-fpg2, UBUNTU-CVE-2014-3569.