OpenBSD is regarded as a very secure Operating System. This article details one of the few remote exploit against this system. A kernel shellcode is described, that disables the protections of the OS and installs a user-mode process. Several other possible techniques of exploitation are described.

Alfredo Ortega: OpenBSD Remote Exploit

Past speeches and talks from the Black Hat Briefings computer security conferences. The Black Hat Briefings USA 2007 was held August 1-3 in Las Vegas at Caesars Palace. Two days, sixteen tracks, over 95 presentations. Three keynote speakers: Richard Clarke, Tony Sager and Bruce Schneier. A post convention wrap up can be found at http://www.blackhat.com/html/bh-usa-07/bh-usa-07-index.html Black Hat Briefings bring together a unique mix in security: the best minds from government agencies and global corporations with the underground's most respected hackers. These forums take place regularly in Las Vegas, Washington D.C., Amsterdam, and Tokyo Video, audio and supporting materials from past conferences will be posted here, starting with the newest and working our way back to the oldest with new content added as available! Past speeches and talks from Black Hat in an iPod friendly .mp4 h.264 192k video format. If you want to get a better idea of the presentation materials go to http://www.blackhat.com/html/bh-media-archives/bh-archives-2007.html and download them. Put up the pdfs in one window while watching the talks in the other. Almost as good as being there!

Technology

Tech News

Past speeches and talks from the Black Hat Briefings computer security conferences. The Black Hat Briefings USA 2007 was held August 1-3 in Las Vegas at Caesars Palace. Two days, sixteen tracks, over 95 presentations. Three keynote speakers: Richard Clarke, Tony Sager and Bruce Schneier. A post convention wrap up can be found at http://www.blackhat.com/html/bh-usa-07/bh-usa-07-index.html Black Hat Briefings bring together a unique mix in security: the best minds from government agencies and global corporations with the underground's most respected hackers. These forums take place regularly in Las Vegas, Washington D.C., Amsterdam, and Tokyo Video, audio and supporting materials from past conferences will be posted here, starting with the newest and working our way back to the oldest with new content added as available! Past speeches and talks from Black Hat in an iPod friendly .mp4 h.264 192k video format. If you want to get a better idea of the presentation materials go to http://www.blackhat.com/html/bh-media-archives/bh-archives-2007.html and download them. Put up the pdfs in one window while watching the talks in the other. Almost as good as being there!

Share Alfredo Ortega: OpenBSD Remote Exploit

Sign up to save your podcasts

Alfredo Ortega: OpenBSD Remote Exploit

Alfredo Ortega: OpenBSD Remote Exploit