CVE-2011-5095 Weak cryptography in n/a
Man-in-the-middle attackers can obtain shared secret keys in OpenSSL FIPS mode due to improper Diffie-Hellman parameter validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-5095?
CVE-2011-5095 is a medium-severity vulnerability in Openssl Openssl, published on 20 Jun 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Diffie-Hellman key-exchange implementation in OpenSSL 0.9.8, when FIPS mode is enabled, does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-1923.
Weakness: CWE-310
Which versions are affected by CVE-2011-5095?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2011-5095?
Upgrade to a fixed version.
Is CVE-2011-5095 being exploited?
There is no known exploitation of CVE-2011-5095 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2011-5095, GHSA-xhj2-g5qf-66wr.