13 lines
662 B
Diff
13 lines
662 B
Diff
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--- a/mcs/class/ICSharpCode.SharpZipLib/ICSharpCode.SharpZipLib/Zip/FastZip.cs 2019-02-21 05:54:25.493666036 +0000
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+++ b/mcs/class/ICSharpCode.SharpZipLib/ICSharpCode.SharpZipLib/Zip/FastZip.cs 2019-02-21 05:55:01.494273426 +0000
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@@ -375,7 +375,8 @@
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targetName = Path.Combine(targetDirectory, entryFileName);
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dirName = Path.GetDirectoryName(Path.GetFullPath(targetName));
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-
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+ if (!Path.GetFullPath(targetName).StartsWith(targetDirectory, StringComparison.InvariantCultureIgnoreCase))
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+ throw new ZipException("Parent traversal in paths is not allowed");
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doExtraction = doExtraction && (entryFileName.Length > 0);
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}
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