Integer Overflow in exif_process_IFD_TAG Function in PHP 5.4.0beta2 Allows Remote Memory Read or Denial of Service

CVE-2011-4566 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:P

Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.

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