SwftoolsCVEs & Vulnerabilities

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function grealloc() located in gmem.cc. It allows an attacker to cause Denial of Service.

SWFTools 0.9.2 has a divide-by-zero error in the wav_convert2mono function in lib/wav.c because the align value may be zero.

In SWFTools 0.9.2, the wav_convert2mono function in lib/wav.c does not properly restrict a multiplication within a malloc call, which allows remote attackers to cause a denial of service (integer overflow and NULL pointer dereference) via a crafted WAV file.

In SWFTools, an address access exception was found in pdf2swf. FoFiTrueType::writeTTF()

In SWFTools, a stack overflow was found in pdf2swf.

In SWFTools, a memcpy buffer overflow was found in gif2swf.

In SWFTools, a memory leak was found in wav2swf.

In SWFTools, a memcpy buffer overflow was found in swfc.

In SWFTools, an address access exception was found in swfdump swf_GetBits().

In SWFTools 0.9.2, the png_load function in lib/png.c does not properly validate an alloclen_64 multiplication of width and height values, which allows remote attackers to cause a denial of service (integer overflow, heap-based buffer overflow, and application crash) or possibly have unspecified other impact via a crafted PNG file.

In SWFTools 0.9.2, the png_load function in lib/png.c does not check the return value of a realloc call, which allows remote attackers to cause a denial of service (invalid write and application crash) or possibly have unspecified other impact via vectors involving an IDAT tag in a crafted PNG file.

The png_load function in lib/png.c in SWFTools 0.9.2 does not properly validate a multiplication of width and bits-per-pixel values, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file, as demonstrated by an erroneous png_load call that occurs because of incorrect integer data types in png2swf.

The wav_convert2mono function in lib/wav.c in SWFTools 0.9.2 does not properly validate WAV data, which allows remote attackers to cause a denial of service (incorrect malloc and heap-based buffer overflow) or possibly have unspecified other impact via a crafted file.

The swf_DefineLosslessBitsTagToImage function in lib/modules/swfbits.c in SWFTools 0.9.2 mishandles an uncompress failure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) because of extractDefinitions in lib/readers/swf.c and fill_line_bitmap in lib/devices/render.c, as demonstrated by swfrender.

When SWFTools 0.9.2 processes a crafted file in swfcombine, it can lead to a NULL Pointer Dereference in the swf_Relocate() function in lib/modules/swftools.c.

When SWFTools 0.9.2 processes a crafted file in swfextract, it can lead to a NULL Pointer Dereference in the swf_FoldSprite() function in lib/rxfswf.c.

When SWFTools 0.9.2 processes a crafted file in wav2swf, it can lead to a Segmentation Violation in the wav_convert2mono() function in lib/wav.c.

When SWFTools 0.9.2 processes a crafted file in png2swf, it can lead to a Segmentation Violation in the png_load() function in lib/png.c.

When SWFTools 0.9.2 processes a crafted file in swfc, it can lead to a NULL Pointer Dereference in the dict_lookup() function in lib/q.c.

When SWFTools 0.9.2 processes a crafted file in swfcombine, it can lead to a NULL Pointer Dereference in the swf_DeleteFilter() function in lib/modules/swffilter.c.

When SWFTools 0.9.2 processes a crafted file in ttftool, it can lead to a heap-based buffer over-read in the readBlock() function in lib/ttf.c.

In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted file, related to a "Read Access Violation starting at image00000000_00400000+0x000000000001b5fe."

In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted file, related to a "Read Access Violation starting at image00000000_00400000+0x000000000001b596."

In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to execute arbitrary code or cause a denial of service via a crafted file, related to a "User Mode Write AV near NULL starting at wow64!Wow64NotifyDebugger+0x000000000000001d."

In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to execute arbitrary code or cause a denial of service via a crafted file, related to a "User Mode Write AV starting at image00000000_00400000+0x000000000001b72a."

SWFTools 2013-04-09-1007 on Windows has a "Data from Faulting Address controls Branch Selection starting at image00000000_00400000+0x0000000000003e71" issue. This issue can be triggered by a malformed TTF file that is mishandled by font2swf. Attackers could exploit this issue for DoS (Access Violation).

A Use After Free in the pdf2swf part of swftools 0.9.2 and earlier allows remote attackers to execute arbitrary code via a malformed PDF document, possibly a consequence of an error in Gfx.cc in Xpdf 3.02.

In SWFTools 0.9.2, an out-of-bounds read of heap data can occur in the function png_load() in lib/png.c:724. This issue can be triggered by a malformed PNG file that is mishandled by png2swf. Attackers could exploit this issue for DoS.

In SWFTools 0.9.2, an out-of-bounds write of heap data can occur in the function png_load() in lib/png.c:755. This issue can be triggered by a malformed PNG file that is mishandled by png2swf. Attackers could exploit this issue for DoS; it might cause arbitrary code execution.

Multiple integer overflows in SWFTools 0.9.1 allow remote attackers to execute arbitrary code via (1) a crafted PNG file, related to the getPNG function in lib/png.c; or (2) a crafted JPEG file, related to the jpeg_load function in lib/jpeg.c.