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Date: Tue, 19 Oct 2010 01:18:58 +0800
From: Eugene Teo <>
CC: Petr Matousek <>,
Subject: Re: CVE request -- libguestfs: missing disk format
 specifier when adding a disk

On 10/19/2010 12:10 AM, Petr Matousek wrote:
> Hello Steve, vendors.
> Description:
> Libguestfs doesn't currently allow the format of a disk to be specified explicitly.
> Because of that malicious guest admin can exploit automatic image format detection
> in qemu, when the libguestfs is used to administer the image, to read arbitrary
> file on host via forging a image header with backing store.
> References:
> Could you please allocate a CVE identifier for this issue?

Petr, please use CVE-2010-3851. Thanks.

main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }

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