Przemysław Frasunek

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,^[1] noted for one of the first published successful software exploits for the format string bug class of attacks,^[2][3] just after the first exploit of the person using nickname tf8.^[4][5] Until that time the vulnerability was thought harmless. He is the CEO of Redge Technologies.^[6]

Przemysław Frasunek
Born	(1983-05-06) 6 May 1983 (age 42) Lublin, Poland
Nationality	Polish

Vulnerability research

Notable vulnerabilities credited to Przemysław Frasunek:

• CVE-2000-0573, Format string bug in WU-FTPD (remote root exploit), one of the first exploits for the format string bug class of attacks.
• CVE-2001-0414, Buffer overflow (remote root exploit) in NTP server, affecting wide range of systems.^[7][8][9]
• CVE-2004-0794, Signal race condition in FTP server, affecting NetBSD and Mac OS X.^[10]
• CVE-2005-2072, Privilege escalation (local root exploit) affecting Solaris versions 8, 9, 10 and OpenSolaris operating systems, discovered two weeks after public release of the OpenSolaris.^[11]
• 2001 - FreeBSD 4.4 arbitrary file access vulnerability^[12][13]
• Kernel mode race condition exploit affecting FreeBSD 6.4.^[14][15]
• Kernel mode race condition exploit affecting FreeBSD 7.0.^[16]
• CVE-2010-4210 Kernel mode null pointer dereference exploit affecting FreeBSD 7.0 to 7.2.^[17]