CVE-2018-8960

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-26 Q16 does not properly restrict memory allocation, leading to a heap-based buffer over-read.

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-26 Q16 does not properly restrict memory allocation, leading to a heap-based buffer over-read.

This update for ImageMagick fixes the following issues:

• security update (png.c)

  • CVE-2018-9018: divide-by-zero in the ReadMNGImage function of coders/png.c. Attackers could leverage this vulnerability to cause a crash and denial of service via a crafted mng file. [bsc#1086773]
  • CVE-2018-10177: there is an infinite loop in the ReadOneMNGImagefunction of the coders/png.c file. Remote attackers could leverage thisvulnerability to cause a denial of service (bsc#1089781)

• security update (wand)

  • CVE-2017-18252: The MogrifyImageList function in MagickWand/mogrify.c could allow attackers to cause a denial of service via a crafted file. [bsc#1087033]

• security update (gif.c)

  • CVE-2017-18254: A memory leak vulnerability was found in the function WriteGIFImage in coders/gif.c, which could lead to denial of service via a crafted file. [bsc#1087027]

• security update (core)

  • CVE-2017-10928: a heap-based buffer over-read in the GetNextToken function in token.c could allow attackers to obtain sensitive information from process memory or possibly have unspecified other impact via a crafted SVG document that is mishandled in the GetUserSpaceCoordinateValue function in coders/svg.c. [bsc#1047356]

• security update (pcd.c)

  • CVE-2017-18251: A memory leak vulnerability was found in the function ReadPCDImage in coders/pcd.c, which could lead to a denial of service via a crafted file. [bsc#1087037]

• security update (gif.c)

  • CVE-2017-18254: A memory leak vulnerability was found in the function WriteGIFImage in coders/gif.c, which could lead to denial of service via a crafted file. [bsc#1087027]

• security update (tiff.c)

  • CVE-2018-8960: The ReadTIFFImage function in coders/tiff.c in ImageMagick memory allocation issue could lead to denial of service (bsc#1086782)

This update for ImageMagick fixes the following issues:

• CVE-2017-14325: In ImageMagick, a memory leak vulnerability was found in the function PersistPixelCache in magick/cache.c, which allowed attackers to cause a denial of service (memory consumption in ReadMPCImage in coders/mpc.c) via a crafted file. [bsc#1058635]
• CVE-2017-17887: In ImageMagick, a memory leak vulnerability was found in the function GetImagePixelCache in magick/cache.c, which allowed attackers to cause a denial of service via a crafted MNG image file that is processed by ReadOneMNGImage. [bsc#1074117]
• CVE-2017-18250: A NULL pointer dereference vulnerability was found in the function LogOpenCLBuildFailure in MagickCore/opencl.c, which could lead to a denial of service via a crafted file. [bsc#1087039]
• CVE-2017-18251: A memory leak vulnerability was found in the function ReadPCDImage in coders/pcd.c, which could lead to a denial of service via a crafted file. [bsc#1087037]
• CVE-2017-18252: The MogrifyImageList function in MagickWand/mogrify.c could allow attackers to cause a denial of service via a crafted file. [bsc#1087033]
• CVE-2017-18254: A memory leak vulnerability was found in the function WriteGIFImage in coders/gif.c, which could lead to denial of service via a crafted file. [bsc#1087027]
• CVE-2018-8960: The ReadTIFFImage function in coders/tiff.c in ImageMagick did not properly restrict memory allocation, leading to a heap-based buffer over-read. [bsc#1086782]
• CVE-2018-9018: divide-by-zero in the ReadMNGImage function of coders/png.c. Attackers could leverage this vulnerability to cause a crash and denial of service via a crafted mng file. [bsc#1086773]
• CVE-2018-9135: heap-based buffer over-read in IsWEBPImageLossless in coders/webp.c could lead to denial of service. [bsc#1087825]
• CVE-2018-10177: In ImageMagick, there was an infinite loop in the ReadOneMNGImage function of the coders/png.c file. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted mng file. [bsc#1089781]
• CVE-2017-10928: a heap-based buffer over-read in the GetNextToken function in token.c could allow attackers to obtain sensitive information from process memory or possibly have unspecified other impact via a crafted SVG document that is mishandled in the GetUserSpaceCoordinateValue function in coders/svg.c. [bsc#1047356]

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.