Issue jar: protocol is not restricted to java archives and will open any zip format file. An attacker can use this to evade filtering on sites that allow users to … Read more
How can Mozilla be open about security issues without exposing users to additional risk? Being open about security issues means that users have the information they need to understand their … Read more
Firefox 2.0.0.7 was released this afternoon to patch the QuickTime issue described here. This will protect Firefox users from the public critical security vulnerability until a patch is available from … Read more
Claudio Santambrogio at Opera posted that they have been running the Mozilla JavaScript fuzzer and as of Friday have found and fixed 4 issues with it. I am thrilled. This … Read more
Mike Shaver (Director of Ecosystem Development at Mozilla) handed his business card to Robert Hansen (RSnake) on Wednesday night at Black Hat. On it he wrote “ten f—ing days.” When … Read more
Mike Shaver and I just finished presenting “Building and Breaking the Browser”at Blackhat today in Las Vegas. We discussed the methods and tools that Mozilla uses to secure the Firefox … Read more
Issue We are currently investigating an issue on Windows XP, where some urls for “web” protocols that contain %00 launch the wrong handler and appear to be able to launch … Read more
On July 10th, I posted about a security issue in URL protocol handling on Windows. In the previous example, Internet Explorer was the entry point and Firefox was the application … Read more
If you are a security geek in the bay area, find your way to O’Niell’s on 3rd and King Street in San Francisco at 7pm to meet up at BaySec. … Read more
Firefox 2.0.0.5 is now available and there is a fix for the URL protocol handling issue described here. We warned that other Windows applications may be vulnerable to this Internet … Read more
Today security firm Secunia released an advisory on a security issue found (apparently) simultaneously and independently by Greg MacManus and Billy Rios based on a previously reported issue in Safari … Read more
Since all software has bugs, it’s more important to consider how long it takes to get a fix out when a security issue is discovered than it is to count … Read more