OpenSSL: Multiple Vulnerabilities

Users of OpenSSL please be advised of multiple vulnerabilities that has been identified.

To view this vulnerability, possible remedies, and others please check out the Security Advisories at Critical Watch (http://criticalwatch.com/support/security-advisories.aspx)

Amplify’d from www.criticalwatch.com

FreeBSD-SA-10:10.openssl: [FreeBSD-SA-10:10] OpenSSL multiple vulnerabilities

I. Problem Description A race condition exists in the OpenSSL TLS server extension code parsing when used in a multi-threaded application, which uses OpenSSL's internal caching mechanism. The race condition can lead to a buffer overflow. [CVE-2010-3864] A double free exists in the SSL client ECDH handling code, when processing specially crafted public keys with invalid prime numbers. [CVE-2010-2939]

II. Impact For affected server applications, an attacker may be able to utilize the buffer overflow to crash the application or potentially run arbitrary code with the privileges of the application. [CVE-2010-3864]. It may be possible to cause a DoS or potentially execute arbitrary in the context of the user connection to a malicious SSL server. [CVE-2010-2939] Read more at www.criticalwatch.com

 

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