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OVAL

RHSA-2010:0162-01 -- Redhat openssl

ID: oval:org.secpod.oval:def:500412Date: (C)2012-01-31   (M)2017-09-22
Class: PATCHFamily: unix




OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength, general purpose cryptography library. It was discovered that OpenSSL did not always check the return value of the bn_wexpand function. An attacker able to trigger a memory allocation failure in that function could cause an application using the OpenSSL library to crash or, possibly, execute arbitrary code. A flaw was found in the way the TLS/SSL protocols handled session renegotiation. A man-in-the-middle attacker could use this flaw to prefix arbitrary plain text to a client"s session . This could force the server to process an attacker"s request as if authenticated using the victim"s credentials. This update addresses this flaw by implementing the TLS Renegotiation Indication Extension, as defined in RFC 5746. In certain configurations, a remote attacker could use this flaw to crash a TLS/SSL server using OpenSSL by requesting Kerberos cipher suites during the TLS handshake. All OpenSSL users should upgrade to these updated packages, which contain backported patches to resolve these issues. For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted.

Platform:
Red Hat Enterprise Linux 5
Product:
openssl
Reference:
RHSA-2010:0162-01
CVE-2009-3245
CVE-2009-3555
CVE-2010-0433
CVE    3
CVE-2009-3245
CVE-2009-3555
CVE-2010-0433
CPE    67
cpe:/a:openssl:openssl
cpe:/a:openssl:openssl:0.9.1c
cpe:/a:openssl:openssl:0.9.5a
cpe:/a:openssl:openssl:0.9.6:beta3
...

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