Date: Fri, 24 Oct 2014 12:50:40 -0700 From: Michal Zalewski <lcamtuf@...edump.cx> To: oss-security <oss-security@...ts.openwall.com> Subject: Re: strings / libbfd crasher Filed this as: https://sourceware.org/bugzilla/show_bug.cgi?id=17510 On Fri, Oct 24, 2014 at 12:10 PM, Michal Zalewski <lcamtuf@...edump.cx> wrote: > I do have a bunch more that seem exploitable, though - for example: > > http://lcamtuf.coredump.cx/strings-bfd-badfree - does this repro for > people (I tried with binutils 2.24)? > > I think that given the expectations people have around what strings > does and whether it's safe to run on untrusted binaries, I'd seriously > question the wisdom of making it use libbfd, at least by default; > perhaps distros want to consider non-upstream patches that default to > the -a mode, instead? > > I don't understand the user benefit of extracting strings only from > certain sections of executables, and I almost feel like it's a side > effect of strings being a part of binutils more than anything else. > > > On Fri, Oct 24, 2014 at 5:00 AM, Hanno Böck <hanno@...eck.de> wrote: >> I've now put this in upstream's bugtracker: >> https://sourceware.org/bugzilla/show_bug.cgi?id=17509 >> >> Hope noone else has already done this. >> >> -- >> Hanno Böck >> http://hboeck.de/ >> >> mail/jabber: hanno@...eck.de >> GPG: BBB51E42
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