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Add separator to zip slip check - fixes #3043 (#3048)

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Tom Morris 2020-08-09 08:48:55 -04:00 committed by GitHub
parent 55edae2b7b
commit 9c403d59d2
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1 changed files with 4 additions and 4 deletions
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main/src/com/google/refine/importing/ImportingUtilities.java
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@ -460,11 +460,11 @@ public class ImportingUtilities {
File file = new File(dir, name); File file = new File(dir, name);
// For CVE-2018-19859, issue #1840 // For CVE-2018-19859, issue #1840
if (!file.toPath().normalize().startsWith(dir.toPath().normalize())) { if (!file.toPath().normalize().startsWith(dir.toPath().normalize() + File.separator)) {
throw new IllegalArgumentException("Zip archives with files escaping their root directory are not allowed."); throw new IllegalArgumentException("Zip archives with files escaping their root directory are not allowed.");
} }
int dot = name.indexOf('.'); int dot = name.lastIndexOf('.');
String prefix = dot < 0 ? name : name.substring(0, dot); String prefix = dot < 0 ? name : name.substring(0, dot);
String suffix = dot < 0 ? "" : name.substring(dot); String suffix = dot < 0 ? "" : name.substring(dot);
int index = 2; int index = 2;