CVE-2017-11637

GraphicsMagick 1.3.26 has a NULL pointer dereference in the WritePCLImage() function in coders/pcl.c during writes of monochrome images.

This update for ImageMagick fixes the following issues:

• CVE-2017-9407: In ImageMagick, the ReadPALMImage function in palm.c allowed attackers to cause a denial of service (memory leak) via a crafted file. (bsc#1042824)
• CVE-2017-11448: The ReadJPEGImage function in coders/jpeg.c in ImageMagick allowed remote attackers to obtain sensitive information from uninitialized memory locations via a crafted file. (bsc#1049375)
• CVE-2017-11450: A remote denial of service in coders/jpeg.c was fixed (bsc#1049374)
• CVE-2017-11537: When ImageMagick processed a crafted file in convert, it can lead to a Floating Point Exception (FPE) in the WritePALMImage() function in coders/palm.c, related to an incorrect bits-per-pixel calculation. (bsc#1050048)
• CVE-2017-12418: ImageMagick had memory leaks in the parse8BIMW and format8BIM functions in coders/meta.c, related to the WriteImage function in MagickCore/constitute.c. (bsc#1052207)
• CVE-2017-12432: In ImageMagick, a memory exhaustion vulnerability was found in the function ReadPCXImage in coders/pcx.c, which allowed attackers to cause a denial of service. (bsc#1052254)
• CVE-2017-12654: The ReadPICTImage function in coders/pict.c in ImageMagick allowed attackers to cause a denial of service (memory leak) via a crafted file. (bsc#1052761)
• CVE-2017-12664: ImageMagick had a memory leak vulnerability in WritePALMImage in coders/palm.c. (bsc#1052750)
• CVE-2017-12665: ImageMagick had a memory leak vulnerability in WritePICTImage in coders/pict.c. (bsc#1052747)
• CVE-2017-12668: ImageMagick had a memory leak vulnerability in WritePCXImage in coders/pcx.c. (bsc#1052688)
• CVE-2017-13058: In ImageMagick, a memory leak vulnerability was found in the function WritePCXImage in coders/pcx.c, which allowed attackers to cause a denial of service via a crafted file. (bsc#1055069)
• CVE-2017-14224: A heap-based buffer overflow in WritePCXImage in coders/pcx.c could lead to denial of service or code execution. (bsc#1058009)
• CVE-2017-17885: In ImageMagick, a memory leak vulnerability was found in the function ReadPICTImage in coders/pict.c, which allowed attackers to cause a denial of service via a crafted PICT image file. (bsc#1074119)
• CVE-2017-18028: A memory exhaustion in the function ReadTIFFImage in coders/tiff.c was fixed. (bsc#1076182)
• CVE-2018-6405: In the ReadDCMImage function in coders/dcm.c in ImageMagick, each redmap, greenmap, and bluemap variable can be overwritten by a new pointer. The previous pointer is lost, which leads to a memory leak. This allowed remote attackers to cause a denial of service. (bsc#1078433)
• CVE-2017-12427: ProcessMSLScript coders/msl.c allowed remote attackers to cause a DoS (bsc#1052248)
• CVE-2017-12566: A memory leak in ReadMVGImage in coders/mvg.c, could have allowed attackers to cause DoS (bsc#1052472)
• CVE-2017-11638, CVE-2017-11642: A NULL pointer dereference in theWriteMAPImage() in coders/map.c was fixed which could lead to a crash (bsc#1050617)
• CVE-2017-13131: A memory leak vulnerability was found in thefunction ReadMIFFImage in coders/miff.c, which allowed attackers tocause a denial of service (memory consumption in NewL (bsc#1055229)
• CVE-2017-11166: In ReadXWDImage in coders\xwd.c a memoryleak could have caused memory exhaustion via a crafted length (bsc#1048110)
• CVE-2017-12674: A CPU exhaustion in ReadPDBImage in coders/pdb.c was fixed, which allowed attackers to cause DoS (bsc#1052711)
• CVE-2017-12429: A memory exhaustion flaw in ReadMIFFImage in coders/miff.c was fixed, which allowed attackers to cause DoS (bsc#1052251)
• CVE-2017-11637: A NULL pointer dereference in WritePCLImage() in coders/pcl.c was fixed which could lead to a crash (bsc#1050669)

This update for GraphicsMagick fixes the following issues:

• CVE-2017-9407: The ReadPALMImage function in palm.c allowed attackers to cause a denial of service (memory leak) via a crafted file. (bsc#1042824)
• CVE-2017-11140: coders/jpeg.c allowed remote attackers to cause a denial of service (application crash). [boo#1047900]
• CVE-2017-11448: The ReadJPEGImage function in coders/jpeg.c allowed remote attackers to obtain sensitive information from uninitialized memory locations via a crafted file. (bsc#1049375)
• CVE-2017-11450: A remote denial of service in coders/jpeg.c was fixed [boo#1049374]
• CVE-2017-11637: A NULL pointer dereference in WritePCLImage() in coders/pcl.c was fixed which could lead to a crash (bsc#1050669)
• CVE-2017-11638, CVE-2017-11642: A NULL pointer dereference in theWriteMAPImage() in coders/map.c was fixed which could lead to a crash (bsc#1050617)
• CVE-2017-12427: ProcessMSLScript coders/msl.c allowed remote attackers to cause a DoS (bsc#1052248)
• CVE-2017-12429: A memory exhaustion flaw in ReadMIFFImage in coders/miff.c was fixed, which allowed attackers to cause DoS (bsc#1052251)
• CVE-2017-12432: A memory exhaustion vulnerability was found in the function ReadPCXImage in coders/pcx.c, which allowed attackers to cause a denial of service. (bsc#1052254)
• CVE-2017-12566: A memory leak in ReadMVGImage in coders/mvg.c, could have allowed attackers to cause DoS (bsc#1052472)
• CVE-2017-12668: A memory leak vulnerability in WritePCXImage in coders/pcx.c. (bsc#1052688)
• CVE-2017-13058: A memory leak vulnerability was found in the function WritePCXImage in coders/pcx.c, which allowed attackers to cause a denial of service via a crafted file. (bsc#1055069)
• CVE-2017-13131: A memory leak vulnerability was found in thefunction ReadMIFFImage in coders/miff.c, which allowed attackers tocause a denial of service (memory consumption in NewL (bsc#1055229)
• CVE-2017-14224: A heap-based buffer overflow in WritePCXImage in coders/pcx.c could lead to denial of service or code execution. [boo#1058009]
• CVE-2017-17502: ReadCMYKImage in ImportCMYKQuantumType had a heap-based buffer over-read via a crafted file. [boo#1073081]
• CVE-2017-17912: A heap-based buffer over-read in ReadNewsProfile in coders/tiff.c was fixed. [boo#1074307]
• CVE-2017-18028: A memory exhaustion in the function ReadTIFFImage in coders/tiff.c was fixed. [boo#1076182]
• CVE-2018-6405: In the ReadDCMImage function in coders/dcm.c, each redmap, greenmap, and bluemap variable can be overwritten by a new pointer. The previous pointer is lost, which leads to a memory leak. This allowed remote attackers to cause a denial of service. (bsc#1078433)
• CVE-2017-17503: A heap-based buffer overflow in the ReadGRAYImage was fixed (bsc#1072934)

It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-10794, CVE-2017-10799, CVE-2017-11102, CVE-2017-11140, CVE-2017-11403, CVE-2017-11636, CVE-2017-11637, CVE-2017-13147, CVE-2017-14042, CVE-2017-6335)