Full Disclosure mailing list archives
Re: Buffer Overflow in ActivePerl ?
From: Curt Sampson <cjs () cynic net>
Date: Wed, 19 May 2004 17:20:16 +0900 (JST)
On Wed, 19 May 2004, Nick FitzGerald wrote:
However, there is not likely to be a privilege escalation here unless perhaps a script processor on a web server can be cajoled into doing something with this?
Not terribly likely; system() in perl forks a new process, potentially executing a command interpreter: ... If there is only one scalar argument, the argument is checked for shell metacharacters, and if there are any, the entire argument is passed to the system's command shell for parsing... If you can cajole a web server into passing fairly arbitrary information into the system() function, you probably own the machine even without this overflow. cjs -- Curt Sampson <cjs () cynic net> +81 90 7737 2974 http://www.NetBSD.org Don't you know, in this new Dark Age, we're all light. --XTC _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
Current thread:
- RE: Re: Buffer Overflow in ActivePerl ?, (continued)
- RE: Re: Buffer Overflow in ActivePerl ? Bill Royds (May 18)
- Re: Buffer Overflow in ActivePerl? Axel Beckert (May 18)
- Re: Re: Buffer Overflow in ActivePerl? Volker Tanger (May 18)
- Re: Re: Buffer Overflow in ActivePerl? Frederic Krueger (May 18)
- Re: Re: Buffer Overflow in ActivePerl? Volker Tanger (May 18)
- Re: Buffer Overflow in ActivePerl ? Frederic Krueger (May 18)
- ActivePerl Perl2Exe [was] Buffer Overflow in ActivePerl ? morning_wood (May 20)
- Re: ActivePerl Perl2Exe [was] Buffer Overflow in ActivePerl ? Clint Bodungen (May 20)
- ActivePerl Perl2Exe [was] Buffer Overflow in ActivePerl ? morning_wood (May 20)
- Re: Buffer Overflow in ActivePerl ? Nick FitzGerald (May 18)
- Re: Re: Buffer Overflow in ActivePerl ? npguy (May 18)
- Re: Re: Buffer Overflow in ActivePerl ? morning_wood (May 18)
- Re: Buffer Overflow in ActivePerl ? Curt Sampson (May 19)
- Re: Buffer Overflow in ActivePerl ? overlord_q (May 18)
- Re: Buffer Overflow in ActivePerl ? rich . sf (May 18)
- RE: Buffer Overflow in ActivePerl ? mattmurphy () kc rr com (May 17)
- Re[2]: Buffer Overflow in ActivePerl ? 3APA3A (May 18)
- RE: Re: Buffer Overflow in ActivePerl ? Petter O. Bruland (May 18)