CVE-2010-2939: Use After Free
Double free vulnerability in the ssl3getkeyexchange function in the OpenSSL client (ssl/s3clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2010-2939?
CVE-2010-2939 has a severity rating that can potentially lead to denial of service and arbitrary code execution.
How do I fix CVE-2010-2939?
To fix CVE-2010-2939, you should upgrade to a version of OpenSSL that is not affected, typically a later version beyond 1.0.0a, 0.9.8, or 0.9.7.
What versions of OpenSSL are affected by CVE-2010-2939?
CVE-2010-2939 affects OpenSSL versions 1.0.0a, 0.9.8, 0.9.7, and possibly other similar versions.
Can CVE-2010-2939 be exploited remotely?
Yes, CVE-2010-2939 can be exploited by context-dependent attackers, potentially allowing for remote attacks.
What mechanisms are exploited in CVE-2010-2939?
CVE-2010-2939 exploits a double free vulnerability occurring in the ssl3_get_key_exchange function.