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tiff: fix multiple CVE's

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This commit fixes multiple CVE's for library tiff:
CVE-2012-4564
CVE-2013-1960
CVE-2013-1961
CVE-2013-4231
CVE-2013-4232
CVE-2013-4244
CVE-2013-4243

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
This commit is contained in:
Jiri Slachta
2014-08-04 12:08:07 +02:00
committed by Steven Barth
parent 317c39a7ba
commit 20ee7a564c
8 changed files with 1036 additions and 1 deletions
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libs/tiff/patches/016-CVE-2013-4243.patch
+37
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@@ -0,0 +1,37 @@
Index: tiff/tools/gif2tiff.c
===================================================================
--- tiff.orig/tools/gif2tiff.c
+++ tiff/tools/gif2tiff.c
@@ -280,6 +280,10 @@ readgifimage(char* mode)
fprintf(stderr, "no colormap present for image\n");
return (0);
}
+ if (width == 0 || height == 0) {
+ fprintf(stderr, "Invalid value of width or height\n");
+ return(0);
+ }
if ((raster = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {
fprintf(stderr, "not enough memory for image\n");
return (0);
@@ -404,6 +408,10 @@ process(register int code, unsigned char
fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
return 0;
}
+ if (*fill >= raster + width*height) {
+ fprintf(stderr, "raster full before eoi code\n");
+ return 0;
+ }
*(*fill)++ = suffix[code];
firstchar = oldcode = code;
return 1;
@@ -434,6 +442,10 @@ process(register int code, unsigned char
}
oldcode = incode;
do {
+ if (*fill >= raster + width*height) {
+ fprintf(stderr, "raster full before eoi code\n");
+ return 0;
+ }
*(*fill)++ = *--stackp;
} while (stackp > stack);
return 1;