CVEs-PoC/2019/CVE-2019-7663.md

CVE-2019-7663

Description

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

POC

Reference

• http://bugzilla.maptools.org/show_bug.cgi?id=2833
• http://bugzilla.maptools.org/show_bug.cgi?id=2833
• https://usn.ubuntu.com/3906-1/
• https://usn.ubuntu.com/3906-1/

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/FritzJo/pacheck
• https://github.com/waugustus/crash_analysis
• https://github.com/waugustus/poc
• https://github.com/waugustus/waugustus