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authorAnders Kaseorg <andersk@mit.edu>2020-01-01 16:29:34 -0800
committerFrederik Rietdijk <freddyrietdijk@fridh.nl>2020-01-15 09:47:03 +0100
commit3cd8ce3bce1e3d89b21caa0d3ad458193f5179ba (patch)
tree7a1f1889004dce271903d69dce5c1f5a2cf92b07 /pkgs/development/libraries/qt-4.x
parent2e5051e2235f93829f0d6531ace21e87f2a486a4 (diff)
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treewide: Fix unsafe concatenation of $LD_LIBRARY_PATH
Naive concatenation of $LD_LIBRARY_PATH can result in an empty
colon-delimited segment; this tells glibc to load libraries from the
current directory, which is definitely wrong, and may be a security
vulnerability if the current directory is untrusted.  (See #67234, for
example.)  Fix this throughout the tree.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Diffstat (limited to 'pkgs/development/libraries/qt-4.x')
-rw-r--r--pkgs/development/libraries/qt-4.x/4.8/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 25953949eb7..379f5b3d80e 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -125,7 +125,7 @@ stdenv.mkDerivation rec {
       ];
 
   preConfigure = ''
-    export LD_LIBRARY_PATH="`pwd`/lib:$LD_LIBRARY_PATH"
+    export LD_LIBRARY_PATH="`pwd`/lib''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
     configureFlags+="
       -docdir $out/share/doc/${name}
       -plugindir $out/lib/qt4/plugins