K45593826 : LibTIFF vulnerabilities CVE-2015-8870, CVE-2016-5652, CVE-2016-9536, CVE-2016-9537, and CVE-2016-9540

Security Advisory Description

• CVE-2015-8870

Integer overflow in tools/bmp2tiff.c in LibTIFF before 4.0.4 allows remote attackers to cause a denial of service (heap-based buffer over-read), or possibly obtain sensitive information from process memory, via crafted width and length values in RLE4 or RLE8 data in a BMP file.

• CVE-2016-5652

An exploitable heap-based buffer overflow exists in the handling of TIFF images in LibTIFF’s TIFF2PDF tool. A crafted TIFF document can lead to a heap-based buffer overflow resulting in remote code execution. Vulnerability can be triggered via a saved TIFF file delivered by other means.

• CVE-2016-9536

tools/tiff2pdf.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers in t2p_process_jpeg_strip(). Reported as MSVR 35098, aka “t2p_process_jpeg_strip heap-buffer-overflow.”

• CVE-2016-9537

tools/tiffcrop.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in buffers. Reported as MSVR 35093, MSVR 35096, and MSVR 35097.

• CVE-2016-9540

tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width. Reported as MSVR 35103, aka “cpStripToTile heap-buffer-overflow.”
Impact
An attacker can cause a denial of service (DoS), execute code remotely, or gain access to sensitive information.