CVE-2012-4929

El protocolo TLS 1.2 y versiones anteriores, como el usado en Mozilla Firefox, Google Chrome, y otros productos, puede hacer cifrados TLS de datos comprimidos sin ofuscar de forma adecuada la longitud de los datos no cifrado, lo que permte a atacantes man-in-the-middle obtener cabeceras HTTP en texto plano observando las diferencias de longitud durante una serie de previsiones en la cual una cadena en una petición HTTP potencialmente coincide con una cadena desconocida en una cabecera HTPP, también conocido como ataque "CRIME".

Red Hat Enterprise Virtualization Manager provides access to virtual machines using SPICE. These SPICE client packages provide the SPICE client and usbclerk service for both Windows 32-bit operating systems and Windows 64-bit operating systems. The rhevm-spice-client package includes the mingw-virt-viewer Windows SPICE client. OpenSSL, a general purpose cryptography library with a TLS implementation, is bundled with mingw-virt-viewer. The mingw-virt-viewer package has been updated to correct the following issues: An information disclosure flaw was found in the way OpenSSL handled TLS and DTLS Heartbeat Extension packets. A malicious TLS or DTLS client or server could send a specially crafted TLS or DTLS Heartbeat packet to disclose a limited portion of memory per request from a connected client or server. Note that the disclosed portions of memory could potentially include sensitive information such as private keys.