Date: Thu, 3 Oct 2013 21:52:13 +0100 From: Pedro Ribeiro <pedrib@...il.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request - VLC 2.0.0 to 2.0.8 On 1 October 2013 16:20, Pedro Ribeiro <pedrib@...il.com> wrote: > Hi, > > I have discovered a denial of service / possible code execution in VLC via a > crafted ASF file. This has been reported to VLC and was apparently fixed > unintentionally in 2.0.8 with the entry "Improve handling of corrupt ASF > files". Version 2.1.0 is not affected. > > The file contains a crafted ASF packet that causes VLC to crash on a read > operation, with control of EDI and EAX. In the file attached you will find > at starting offset 0x157AD the hex values 17 DE B4 71 in little endian, > which attempts to use for a read operation. Control of other variables in > the Demux function in asf.c is also possible by changing packet values > before and after the offset as per the ASF specification. > > The file is located here: > https://github.com/pedrib/PoC/blob/master/vlc-crash.asf > > I have not been able to obtain any program control so far, so at the moment > this only crashes VLC. However someone more skilled might be able to control > it. > > Can you please provide a CVE for this? > > Regards > Pedro Hi, Do you need more information on this, do not consider it CVE-worthy or just swamped with work at the moment? :) Regards, Pedro
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