diff options
Diffstat (limited to 'gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch')
| -rw-r--r-- | gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch b/gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch deleted file mode 100644 index 871be1d267..0000000000 --- a/gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch +++ /dev/null @@ -1,122 +0,0 @@ -Copied from Fedora. - -http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch - ---- libwmf-0.2.8.4/src/ipa/ipa/bmp.h 2015-06-08 14:46:24.591876404 +0100 -+++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h 2015-06-08 14:46:35.345993247 +0100 -@@ -859,7 +859,7 @@ - % - % - */ --static void DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int compression,unsigned char* pixels) -+static int DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int compression,unsigned char* pixels) - { int byte; - int count; - int i; -@@ -870,12 +870,14 @@ - U32 u; - - unsigned char* q; -+ unsigned char* end; - - for (u = 0; u < ((U32) bmp->width * (U32) bmp->height); u++) pixels[u] = 0; - - byte = 0; - x = 0; - q = pixels; -+ end = pixels + bmp->width * bmp->height; - - for (y = 0; y < bmp->height; ) - { count = ReadBlobByte (src); -@@ -884,7 +886,10 @@ - { /* Encoded mode. */ - byte = ReadBlobByte (src); - for (i = 0; i < count; i++) -- { if (compression == 1) -+ { -+ if (q == end) -+ return 0; -+ if (compression == 1) - { (*(q++)) = (unsigned char) byte; - } - else -@@ -896,13 +901,15 @@ - else - { /* Escape mode. */ - count = ReadBlobByte (src); -- if (count == 0x01) return; -+ if (count == 0x01) return 1; - switch (count) - { - case 0x00: - { /* End of line. */ - x = 0; - y++; -+ if (y >= bmp->height) -+ return 0; - q = pixels + y * bmp->width; - break; - } -@@ -910,13 +917,20 @@ - { /* Delta mode. */ - x += ReadBlobByte (src); - y += ReadBlobByte (src); -+ if (y >= bmp->height) -+ return 0; -+ if (x >= bmp->width) -+ return 0; - q = pixels + y * bmp->width + x; - break; - } - default: - { /* Absolute mode. */ - for (i = 0; i < count; i++) -- { if (compression == 1) -+ { -+ if (q == end) -+ return 0; -+ if (compression == 1) - { (*(q++)) = ReadBlobByte (src); - } - else -@@ -943,7 +957,7 @@ - byte = ReadBlobByte (src); /* end of line */ - byte = ReadBlobByte (src); - -- return; -+ return 1; - } - - /* -@@ -1143,8 +1157,18 @@ - } - } - else -- { /* Convert run-length encoded raster pixels. */ -- DecodeImage (API,bmp,src,(unsigned int) bmp_info.compression,data->image); -+ { -+ if (bmp_info.bits_per_pixel == 8) /* Convert run-length encoded raster pixels. */ -+ { -+ if (!DecodeImage (API,bmp,src,(unsigned int) bmp_info.compression,data->image)) -+ { WMF_ERROR (API,"corrupt bmp"); -+ API->err = wmf_E_BadFormat; -+ } -+ } -+ else -+ { WMF_ERROR (API,"Unexpected pixel depth"); -+ API->err = wmf_E_BadFormat; -+ } - } - - if (ERR (API)) ---- libwmf-0.2.8.4/src/ipa/ipa.h 2015-06-08 14:46:24.590876393 +0100 -+++ libwmf-0.2.8.4/src/ipa/ipa.h 2015-06-08 14:46:35.345993247 +0100 -@@ -48,7 +48,7 @@ - static unsigned short ReadBlobLSBShort (BMPSource*); - static unsigned long ReadBlobLSBLong (BMPSource*); - static long TellBlob (BMPSource*); --static void DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*); -+static int DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*); - static void ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*); - static int ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned int,unsigned int); - static void SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned char,unsigned int,unsigned int); |