Cisco Talos Blog

September 13, 2016 20:01

Microsoft Patch Tuesday - September 2016

This post was authored by Jaeson Schultz. Well it's Microsoft Patch Tuesday, again, and that must mean we are girding our systems against another round of security vulnerabilities. This month Microsoft has released fourteen (14) bulletins covering fifty (50) security vulnera

July 20, 2016 14:40

Vulnerability Spotlight: Oracle's Outside In Technology, Turned Inside-Out

Vulnerabilities discovered by Aleksandar Nikolic. Blog post authored by Jaeson Schultz and Aleksandar Nikolic. One of the most fundamental tasks performed by many software programs involves the reading, writing, and general processing of files. In today's highly networked en

June 21, 2016 10:36

The Poisoned Archives

Vulnerabilities discovered by Marcin “Icewall” Noga. Blog post authored by Marcin Noga and Jaeson Schultz.  Update 2016-08-01: Talos has produced a video demonstrating how flaws in libarchive can be exploited using Splunk 6.4.1 as an attack vector. Release 3.2.1 of Libarchive add

May 11, 2016 11:30

Multiple 7-Zip Vulnerabilities Discovered by Talos

7-Zip vulnerabilities were discovered by Marcin Noga. Update 2016-05-12: Related advisories for the 7-Zip issues covered in this blog can be found here: 7-Zip is an open-source

April 20, 2016 10:39

Oracle OIT Image Export SDK libvs_pdf XRef Index Code Execution Vulnerability

This post was authored by Aleksandar Nikolic and Jaeson Schultz. Talos has recently discovered a vulnerability in Oracle’s Outside In Technology  Image Export SDK which, when exploited, allows an attacker to overflow the heap, leading to arbitrary code execution. The vulnerabil

January 27, 2016 11:01

Bypassing MiniUPnP Stack Smashing Protection

This post was authored by Aleksandar Nikolic, Warren Mercer, and Jaeson Schultz Summary MiniUPnP is commonly used to allow two devices which are behind NAT firewalls to communicate with each other by opening connections in each of the firewalls, commonly known as “hole punchin

November 23, 2015 12:50

Holiday Shopping Threat Avoidance

Executive Summary The holidays are upon us and the shopping season is kicking into high gear. This year, an estimated 270 million consumers will shop online and, for the first time, more than half of them will use mobile devices to check off their holiday shopping lists. With co

October 29, 2015 13:05

Domains of the Living Dead

According to the Centers for Disease Control and Prevention (CDC), “If you’re ready for a zombie apocalypse, then you’re ready for any emergency.” While events haven’t yet risen to the level of “zombie apocalypse”, computer attackers are continuing to use their voodoo to zombify

October 20, 2015 15:05

Dangerous Clipboard: Analysis of the MS15-072 Patch

This post was authored by Marcin Noga with contributions from Jaeson Schultz. Have you ever thought about how security researchers take a patch that has been released, and then reverse it to find the underlying security issue? Well, back In July Microsoft released security bulle