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Date: Mon, 22 Dec 2014 18:11:27 +0200 From: Project Zero Labs <labs@...jectzero.gr> To: fulldisclosure@...lists.org Subject: [FD] CVE-2014-9330: Libtiff integer overflow in bmp2tiff ---------- Background ---------- Libtiff provides support for the Tag Image File Format (TIFF), a widely used format for storing image data. ---------------- Software Version ---------------- All tests were performed using libtiff 4.0.3 ----------- Description ----------- Fuzzing bmp2tiff, using the afl-fuzzer, revealed an integer overflow issue related to the dimensions of the input BMP image. The issue resulted in an out-of-bounds memory read which causes the application to crash. Details can be found at http://bugzilla.maptools.org/show_bug.cgi?id=2494. -------- Timeline -------- 2014-12-09 Discovery reported to libtiff bug tracker 2014-12-21 Issue was fixed 2014-12-22 Public Disclosure ------- Credits ------- Reported by Paris Zoumpouloglou of Project Zero labs -- Project Zero Labs @projectzerolabs https://www.projectzero.gr _______________________________________________ Sent through the Full Disclosure mailing list http://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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