Jan Engelhardt wrote:
On Sep 26 2007 01:11, David Newall wrote:Jan Engelhardt wrote:On Sep 26 2007 00:40, David Newall wrote:Miloslav Semler pointed out that a root process can chdir("..") out of its chroot.So what? Just do this: chdir into the root after chroot.I don't think so. His exploit just got me all the way out of a chroot within a chroot within a chroot, inclusive of lots of chdirs.Close all fds that point to directories outside the root ;-)
Nope, still gets out. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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