As today’s headlines confirm, there is still a lot of confusion about what happened to the Vietnamese language pack, who is impacted, and what that impact really is. First of all, there is no virus in the Vietnamese language pack. … Continue reading
The Vietnamese language pack for Firefox 2 contains inserted code to load remote content. This code is the result of a virus infection, but does not contain the virus itself. This usually results in the user seeing unwanted ads, but … Continue reading
Background on this issue is available here. Impact An attacker can use this vulnerability to collect session information, including session cookies and session history. Firefox is not vulnerable by default. Only users that have installed “flat” packed add-ons are at … Continue reading
Issue A vulnerability in the chrome protocol scheme allows directory traversal when a “flat” add-on is present resulting in potential information disclosure. Impact When a chrome package is “flat” rather than contained in a .jar the directory traversal allows escaping … Continue reading
Issue The realm value in a basic authentication dialog may be spoofed by a attacker to trick users into thinking the authentication request is coming from a different, trusted site. Impact When displaying the basic authentication dialog, Firefox displays the … Continue reading
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 upload content and use this initiate a cross site scripting … Continue reading
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 Apple. I would like to personally thank the individuals at … Continue reading
We’ve just released Firefox 2.0.0.6 which contains a security patch to mitigate the issue described here. The patch enables percent-encoding for spaces and double-quotes in URIs handed off to external programs. This reduces the risk of malicious data being passed … Continue reading
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 local programs, with limited argument passing. Impact The impact to … Continue reading
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 receiving the bad data. Over the weekend, we learned about … Continue reading
