Przemysław Frasunek (also known as venglin, born 6 May 1983) is a "white hat" hacker from Poland. He has been a frequent Bugtraq poster since late in the 1990s,WWW page on Frasunek's security research noted for one of the first published successful software exploits for the format string bug class of attacks, Software exploit for the WU-FTPD format string vulnerability just after the first exploit of the person using nickname tf8.tf8's version of the wu-ftpd 2.6.0 exploitscut / team-teso Exploiting Format String Vulnerabilities v1.2 2001-09-09 Until that time the vulnerability was thought harmless. He is the CEO of Redge Technologies.

Vulnerability research

Notable vulnerabilities credited to Przemysław Frasunek: , Format string bug in WU-FTPD (remote root exploit), one of the first exploits for the format string bug class of attacks. , Buffer overflow (remote root exploit) in NTP server, affecting wide range of systems.NTP vulnerability, CiscoVulnerabilities database, SecurityfocusUS-CERT Vulnerability Note , Signal race condition in FTP server, affecting NetBSD and Mac OS X., Secunia , Privilege escalation (local root exploit) affecting Solaris versions 8, 9, 10 and OpenSolaris operating systems, discovered two weeks after public release of the OpenSolaris.Secunia Advisory on Sun Solaris 8/9/10 vulnerability 2001 - FreeBSD 4.4 arbitrary file access vulnerability Kernel mode race condition exploit affecting FreeBSD 6.4.The Register article on FreeBSD 6.4 vulnerabilityFreeBSD Security Advisory Kernel mode race condition exploit affecting FreeBSD 7.0.FreeBSD Security Advisory Kernel mode null pointer dereference exploit affecting FreeBSD 7.0 to 7.2.FreeBSD Security Advisory

References

External links

Exploits by Przemyslaw Frasunek at Exploit Db