| commit | 9b6e9f0c8c66355c0f0575d808b32f52c8c6d21c | [log] [tgz] |
|---|---|---|
| author | Jason A. Donenfeld <Jason@zx2c4.com> | Wed Mar 06 19:26:29 2019 +0100 |
| committer | Alex Brainman <alex.brainman@gmail.com> | Sun Mar 10 05:40:13 2019 +0000 |
| tree | 4b143b84ee9ad075e6342094ee262e7dcc748a42 | |
| parent | 243c8eb8c290ebbf2e2811da2dd7538200dde6b3 [diff] |
runtime: safely load DLLs While many other call sites have been moved to using the proper higher-level system loading, these areas were left out. This prevents DLL directory injection attacks. This includes both the runtime load calls (using LoadLibrary prior) and the implicitly linked ones via cgo_import_dynamic, which we move to our LoadLibraryEx. The goal is to only loosely load kernel32.dll and strictly load all others. Meanwhile we make sure that we never fallback to insecure loading on older or unpatched systems. This is CVE-2019-9634. Fixes #14959 Fixes #28978 Fixes #30642 Change-Id: I401a13ed8db248ab1bb5039bf2d31915cac72b93 Reviewed-on: https://go-review.googlesource.com/c/go/+/165798 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
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