Fin del soporte de Windows XP: ¿cuántos usuarios estarán en riesgo?

Ya hace algunos meses se anunció que Microsoft a partir del próximo año iba a dejar de dar soporte a sus usuarios de Windows XP y de Office 2003. Qué significa esto realmente para los usuarios y como pueden verse afectados lo contaremos en el siguiente post. A partir de lo que Microsoft denomina el

Análisis del exploit PDF/CVE-2010-0188 (parte II)

Esta entrada corresponde a la segunda y última parte del análisis que previamente habíamos comenzado. En la primera parte vimos como obtener la imagen TIFF (Tagged Image File Format) que dispara la vulnerabilidad, en este post analizaremos un poco el bug y veremos como se ejecuta el código remoto. Para entender el post, serán necesarios

Vulnerabilidad crítica en Flash Player

Una vulnerabilidad crítica ha sido reportada esta semana. El martes 14 de junio, Adobe publicó su boletín de seguridad donde indica que fue afectada la versión de Flash Player y sus anteriores para las plataformas Windows, Mac, Linux y Solaris. Según Adobe, se trata de una vulnerabilidad de corrupción de memoria que puede llevar

Fake Adobe Updates

Adobe's Product Security Incident Response Team (PSIRT) reports  that malicious emails are circulating claiming to be Adobe security updates, many of them signed by "James Kitchin" of "Adobe Risk Management", or a similar (presumably mythical) team. Adobe says that the messages include links to download instructions for a security update that addresses "CVE-2010-0193 Denial of Service

Adobe Updates

I’d like to call your attention (again) to a major Adobe bulletin that was released yesterday (actually, still today, if you’re far enough behind GMT, but I’m sitting just a train ride away from Greenwich, UK). In brief, the bulletin concerns the following CVE (Common Vulnerabilities and Exposures) issues: CVE-2009-1862 CVE-2009-0901 CVE-2009-2395 CVE-2009-2493 CVE-2009-1863 CVE-2009-1864 CVE-2009-1865

Vulnerability Musings and Reflexive Thinking

Some of us are currently enjoying some excellent presentations at a CARO workshop in Budapest on exploits and vulnerabilities. Hopefully, some of them will eventually be made public, so that we’ll be able to include pointers to specific resources. While there’s been a great deal of technical detail made available that has passed me by

MS09-002 Exploits: Old Dogs, New Tricks?

A few days ago, I promised (threatened) to make some general points about biasing test results, but travel and other obligations have been getting in the way. I’ll get back to that very shortly, but in the meantime, I want to look at an issue with the latest round of Microsoft patches that I was

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