oss-sec mailing list archives
Re: libtiff: Missing return value check in ppm2tiff leading to heap-buffer overflow when reading a tiff file
From: Kurt Seifried <kseifried () redhat com>
Date: Fri, 02 Nov 2012 11:35:07 -0600
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/02/2012 04:23 AM, Huzaifa Sidhpurwala wrote:
Hi All, A flaw was found in the way ppm2tiff, a tool to create a TIFF file from PPM, PGM and PBM image files, did not check the return value of TIFFScanlineSize() function. When TIFFScanlineSize encountered an integer-overflow and returned zero, this value was not checked. A remote attacker could provide a specially-crafted PPM image format file, that when processed by ppm2tiff would lead to ppm2tiff executable crash or, potentially, arbitrary code execution with the privileges of the user running the ppm2tiff binary. Reference: https://bugzilla.redhat.com/show_bug.cgi?id=871700
Just for the sake of clarity, this was previously assigned CVE-2012-4564. - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJQlARKAAoJEBYNRVNeJnmTKWoP/iMzL9crn2SK2AVd7k6DEdRE 4+4qBiljbyolgn7PPhOVST/1CWq2C09MBToDdyiThLwEbaDI/OCWlmeQjPz/K5dS SZ3pEhDJuH4hdwpKb1jR3AnE6i2Ukv+uAHG6PshdX7TyvVf8AnAGsASOT9AEVqsl F0uVd/0GXfKO+wJBxmedNUPLJLnQI4vkFBaUYxscKRQ97mN2ffvHumpovNjBsZpZ jy+tG1o0rZsNJ8coSuqRkj06Jz00dD9+I2ip+jTX10HKwksmPB6tft/TO7G6FRxh gvxuRRGmqThZFuK/LmfLt0U7L9xSMhUY4Iz5Hf7emmc5EL5dsdUp53a8cAVLZQTa qM64eYAXti88v4yj6l+ID3mb28hlX0wK7ARKDoKpsu84bJ1cr4UVQj0L53Fsl+7z gfem0r0OZj21JS3uxKyF9Wu6Nd0Qviugaw1q720y117AuM1nYy/PKdt/HVxgZjEg 5uFfVM9vUV73J1CwS6zIPMmKUxvk/O/78j2+IJdVznA0pLawTFkhbPJXWVR6b+/B HmKK04m/Ij0VDK1EwlaQYRq6lun+1a0HyF35vylLtraAZ8LVYdITHc2sHQYPu7lb iISka81hzyAR35wPr5tUo6CY/FEFy91/cw/eVKCiBY1XeIeChG/7IcUAPI9QmayE nYrINymCTmfXqbmOvaFb =86UH -----END PGP SIGNATURE-----
Current thread:
- libtiff: Missing return value check in ppm2tiff leading to heap-buffer overflow when reading a tiff file Huzaifa Sidhpurwala (Nov 02)
- Re: libtiff: Missing return value check in ppm2tiff leading to heap-buffer overflow when reading a tiff file Kurt Seifried (Nov 02)