CVE-2015-1794 Null dereference in n/a
A remote server can cause a client-side denial of service in OpenSSL via a malformed Diffie-Hellman key exchange message.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-1794?
CVE-2015-1794 is a medium-severity vulnerability in Openssl Openssl, published on 6 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message.
Weakness: CWE-189
Which versions are affected by CVE-2015-1794?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2015-1794?
Upgrade to a fixed version.
Is CVE-2015-1794 being exploited?
There is no known exploitation of CVE-2015-1794 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2015-1794, GHSA-x29w-fcg6-7f9m.