PKGBUILDs/community/freeimage/CVE-2016-5684.patch
2018-06-12 12:41:52 +00:00

24 lines
967 B
Diff

diff -rupN FreeImage/Source/FreeImage/PluginXPM.cpp FreeImage-new/Source/FreeImage/PluginXPM.cpp
--- FreeImage/Source/FreeImage/PluginXPM.cpp 2015-03-02 02:07:08.000000000 +0100
+++ FreeImage-new/Source/FreeImage/PluginXPM.cpp 2016-10-04 16:40:11.975271194 +0200
@@ -181,6 +181,11 @@ Load(FreeImageIO *io, fi_handle handle,
}
free(str);
+ // check info string
+ if((width <= 0) || (height <= 0) || (colors <= 0) || (cpp <= 0)) {
+ throw "Improperly formed info string";
+ }
+
if (colors > 256) {
dib = FreeImage_AllocateHeader(header_only, width, height, 24, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
} else {
@@ -193,7 +198,7 @@ Load(FreeImageIO *io, fi_handle handle,
FILE_RGBA rgba;
str = ReadString(io, handle);
- if(!str)
+ if(!str || (strlen(str) < (size_t)cpp))
throw "Error reading color strings";
std::string chrs(str,cpp); //create a string for the color chars using the first cpp chars