Freelance Software Engineer, co-founder of Kullo
I recently got a blue screen on a Windows XP machine with the following error code: STOP 0x0000007F (0x0000000D 0x00000000 0x00000000 0x00000000) I wanted to find out what went wrong. This is what Microsoft has to say on the issue: This error message can occur if either of the following conditions exists: * Your computer …
Continue reading “Blue Screen with STOP 0x0000007F: What does it mean?”
Vor einiger Zeit habe ich ja bereits über eine einfache Backuplösung für Windows mit RdiffBackup (jetzt HardlinkBackup) geschrieben. Diese funktioniert für mehrere Rechner meiner Familie ganz hervorragend. Das verbleibende Problem war jedoch, dass der Benutzer regelmäßig daran erinnert werden sollte, ein Backup anzufertigen. Unter Linux habe ich dafür schon länger eine Lösung: eine Erinnerung nach …
Since ICQ seems to spread inaccurate information about the security issue in ICQ7’s update process, I think I need to clarify: It is not necessary to successfully attack the users machine or his ISP’s network first to use my exploit. Long version: Imagine a public hotspot at your favorite café. You have ICQ 7 installed …
Continue reading “Clarification concerning the ICQ 7 security issue”
(This is a follow-up to my original posting on a security issue in ICQ 7) This is what I sent to Bugtraq today after testing the new ICQ 7.4: UPDATE: This week, ICQ 7.4 (build 4561) was released. Even though the original version of my exploit does not work anymore, the vulnerability was not resolved: …
Update: ICQ 7.4 is still vulnerable. Also have a look at the clarification on the security issue’s impact. Since the first news website googled me and found my seldomly used blog, here’s a collection of links: my Bugtraq post (with broken indentation for the proof of concept code; see below for the original posting) entry …
Windows Vista und Windows 7 bringen ein einfach verständliches und gut funktionierendes Backup-Programm bereits mit (im Startmenü nach “Sichern” suchen), das man einem Nutzer ohne große Computererfahrung einfach an die Hand geben kann. Bei Windows XP ist die Situation leider eine andere: Es gibt zwar das Programm ntbackup, das sich auch bei WinXP Home nachinstallieren …
Laptops from the new Dell Latitude E series come with an OEM version of Wave Embassy Trust Suite. This software can be used (amongst others) for configuring BIOS and hard disk “passwords” based on smartcard authentication. This is a nice feature, but what if you try to turn this off again after trying it out? …
Continue reading “Dell Preboot Authentication: Deleting smartcard associations”