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authorDaniel Friesel <derf@finalrewind.org>2011-02-09 19:44:48 +0100
committerDaniel Friesel <derf@finalrewind.org>2011-02-09 19:49:28 +0100
commit23421a86cc826dd30f3dc4f62057fafb04b3ac40 (patch)
tree7c5fcaf8aceaf6df290721a8247e18d06bfc4bb0 /ChangeLog
parent15bd1c8bd3429ee565ba713fbc95af69a0c10c94 (diff)
imlib.c: Use wget --no-clobber
This prevents a (highly unlikely) case of an attacker knowing feh's PID and the user's URL rewriting user files by means of a TOCTTOU attack. It is still possible to _create_ arbitrary files via dangling symlinks. That will be fixed once I switch from wget to libcurl.
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@@ -3,6 +3,9 @@ git HEAD
* Add --zoom fill as equivalent for --auto-zoom
* Add --zoom max (zooming like in --bg-max)
* --menu-style is now deprecated
+ * Use wget --no-clobber to prevent TOCTTOU-based hole allowing a
+ well-informed attacker to rewrite arbitrary user files. An attacker can
+ still use it to _create_ arbitrary files.
Wed, 26 Jan 2011 21:07:19 +0100 Daniel Friesel <derf@finalrewind.org>