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CVE-2017-1000366: Ignore LD_LIBRARY_PATH for AT_SECURE=1 programs [BZ #21624]
authorFlorian Weimer <fweimer@redhat.com>
Mon, 19 Jun 2017 15:09:55 +0000 (17:09 +0200)
committerFlorian Weimer <fweimer@redhat.com>
Mon, 19 Jun 2017 16:27:30 +0000 (18:27 +0200)
commitf6110a8fee2ca36f8e2d2abecf3cba9fa7b8ea7d
tree16ff41bf5ff4ad2e55eb28b4b7058c6a2784e6fbtree | snapshot
parentb08a6a0dea63742313ed3d9577c1e2d83436b196commit | diff
CVE-2017-1000366: Ignore LD_LIBRARY_PATH for AT_SECURE=1 programs [BZ #21624]

LD_LIBRARY_PATH can only be used to reorder system search paths, which
is not useful functionality.

This makes an exploitable unbounded alloca in _dl_init_paths unreachable
for AT_SECURE=1 programs.
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