Full Disclosure mailing list archives
Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path
From: Hanno Böck <hanno () hboeck de>
Date: Tue, 19 Oct 2010 20:17:57 +0200
Am Monday 18 October 2010 schrieb Tavis Ormandy:
# Open a file descriptor to the target binary (note: some users are surprised # to learn exec can be used to manipulate the redirections of the current # shell if a command is not specified. This is what is happening below). $ exec 3< /tmp/exploit/target
I tried to reproduce this on Gentoo and it fails at this point. It seems the reason is that suid-binaries are not world-readable on Gentoo (on Debian they are) - this seems to be a useful security measure. -- Hanno Böck Blog: http://www.hboeck.de/ GPG: 3DBD3B20 Jabber/Mail: hanno () hboeck de http://schokokeks.org - professional webhosting
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Current thread:
- The GNU C library dynamic linker expands $ORIGIN in setuid library search path Tavis Ormandy (Oct 18)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Pavel Kankovsky (Oct 18)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Marsh Ray (Oct 18)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Pavel Kankovsky (Oct 19)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Marsh Ray (Oct 18)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Hanno Böck (Oct 19)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Tavis Ormandy (Oct 19)
- <Possible follow-ups>
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Louis Granboulan (Oct 20)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Tavis Ormandy (Oct 20)
- Re: The GNU C library dynamic linker expands $ORIGIN in setuid library search path Pavel Kankovsky (Oct 18)