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treewide: Fix unsafe concatenation of $LD_LIBRARY_PATH

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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>
This commit is contained in:
Anders Kaseorg
2020-01-15 09:47:03 +01:00
committed by Frederik Rietdijk
parent 2e5051e223
commit 3cd8ce3bce
48 changed files with 55 additions and 55 deletions
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pkgs/build-support/build-fhs-userenv/env.nix
+1 -1
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@@ -52,7 +52,7 @@ let
etcProfile = writeText "profile" ''
export PS1='${name}-chrootenv:\u@\h:\w\$ '
export LOCALE_ARCHIVE='/usr/lib/locale/locale-archive'
export LD_LIBRARY_PATH="/run/opengl-driver/lib:/run/opengl-driver-32/lib:/usr/lib:/usr/lib32:$LD_LIBRARY_PATH"
export LD_LIBRARY_PATH="/run/opengl-driver/lib:/run/opengl-driver-32/lib:/usr/lib:/usr/lib32''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
export PATH="/run/wrappers/bin:/usr/bin:/usr/sbin:$PATH"
export TZDIR='/etc/zoneinfo'