CVE-2014-8176 Memory corruption in n/a
Remote DTLS peers can cause denial of service or potential code execution via memory corruption in OpenSSL's dtls1_clear_queues function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-8176?
CVE-2014-8176 is a high-severity memory corruption vulnerability in Openssl Openssl, published on 12 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The dtls1_clear_queues function in ssl/d1_lib.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h frees data structures without considering that application data can arrive between a ChangeCipherSpec message and a Finished message, which allows remote DTLS peers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unexpected application data.
Weakness: CWE-119
Which versions are affected by CVE-2014-8176?
It affects 1 product.
Products include Openssl Openssl.
How do I fix CVE-2014-8176?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-8176 being exploited?
There is no known exploitation of CVE-2014-8176 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as CVE-2015-8176, DEBIAN-CVE-2014-8176, GHSA-qwvg-rfmc-974p, UBUNTU-CVE-2014-8176.