Descripción: | Description:
The remote host is missing updates announced in advisory RHSA-2007:0813.
OpenSSL is a toolkit that implements Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.
A flaw was found in the SSL_get_shared_ciphers() utility function. An attacker could send a list of ciphers to an application that used this function and overrun a buffer with a single byte (CVE-2007-5135). Few applications make use of this vulnerable function and generally it is used only when applications are compiled for debugging.
A number of possible side-channel attacks were discovered affecting OpenSSL. A local attacker could possibly obtain RSA private keys being used on a system. In practice these attacks would be difficult to perform outside of a lab environment. This update contains backported patches designed to mitigate these issues. (CVE-2007-3108).
Users of OpenSSL should upgrade to these updated packages, which contain backported patches to resolve these issues.
Note: After installing this update, users are advised to either restart all services that use OpenSSL or restart their system.
Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date
http://rhn.redhat.com/errata/RHSA-2007-0813.html http://www.redhat.com/security/updates/classification/#moderate
Risk factor : High
CVSS Score: 6.8
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