Jesse Ruderman
This Tuesday (2009-07-21), I’m organizing a crash bug triage day where anyone interested can help us classify the swamp of open crash bugs. Join us in #bugday on irc.mozilla.org if you’d like to help. Crashes and security Some Firefox crash … Continue reading
shaver
In the last few days, there have been several reports (including one via SANS) of a bug in Firefox related to handling of certain very long Unicode strings. While these strings can result in crashes of some versions of Firefox, … Continue reading
Brandon Sterne
Issue A bug discovered last week in Firefox 3.5′s Just-in-time (JIT) JavaScript compiler was disclosed publicly yesterday. It is a critical vulnerability that can be used to execute malicious code. Impact The vulnerability can be exploited by an attacker who … Continue reading
Brandon Sterne
For several years, Cross-Site Scripting (XSS) attacks have plagued many of the web’s most popular sites and victimized their users. At Mozilla, we’ve been working for the last year on a new technology called Content Security Policy, designed to shut … Continue reading
Johnathan Nightingale
People want to know that they are safe when they browse the web. There are important differences between browsers when it comes to security, and so it’s no surprise to see a growing number of groups out there attempting to … Continue reading
Lucas Adamski
Issue The pwn2own bug that Nils discovered at CanSecWest 2009 and the XSLT vulnerability recently made public by Guido Landi (http://www.securityfocus.com/bid/34235) are both critical issues that can result in malicious code execution. Impact These issues can be exploited by tricking … Continue reading
Johnathan Nightingale
Mozilla’s Jesse Ruderman just blogged about a new CSS grammar fuzzer of his, to go along with the JS fuzzer we announced a while ago. Fuzzers are a tool that we’ve found incredibly valuable in the past, and continue to … Continue reading
Lucas Adamski
Security metrics are very difficult to do well, and easy to do poorly. For example, take a look at the recent Secunia “2008 Report” (http://secunia.com/gfx/Secunia2008Report.pdf). It tries to break down vulnerabilities reported by browser, and specifically states: 31 vulnerabilities were … Continue reading