Date: Thu, 21 Oct 2010 11:25:02 +0200 From: Robert Święcki <robert@...ecki.net> To: oss-security@...ts.openwall.com Subject: Re: glibc $ORIGIN problem - CVE-2010-3847 > The actually exploitable impact of Tavis glibc $ORIGIN problem is still a bit open question. > > Apparently the bad code has a assert() in front which causes this assertion failure: > > $ LD_AUDIT=\$ORIGIN ping > Inconsistency detected by ld.so: dl-open.c: 231: dl_open_worker: Assertion `(call_map)->l_name == '\0'' failed! > $ Yeah.. I looked into it as well on Ubuntu, and couldn't find any way to bypass this assert(), but as you mentioned this code is. h.o.r.r.i.b.l.e ;) so I wouldn't be surprised if there's a way to exploit it. -- Robert Święcki
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