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[SECURITY] Fix Zip Slip Vulnerability #81

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merged 3 commits into from
Jan 18, 2023
Merged

[SECURITY] Fix Zip Slip Vulnerability #81

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99790ee
vuln-fix: Zip Slip Vulnerability
JLLeitschuh Jul 30, 2022
8479840
Merge branch 'main' into fix/JLL/zip-slip-vulnerability
grahamegrieve Dec 25, 2022
d25cfe3
Merge branch 'main' into fix/JLL/zip-slip-vulnerability
dotasek Jan 18, 2023
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6 changes: 5 additions & 1 deletion src/main/java/org/hl7/fhir/tools/publisher/WebMaker.java
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Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,11 @@ private void extractZip(String src, String dest) throws Exception {
String name = ze.getName();
if (name.endsWith(".html") || name.endsWith(".htm") || name.endsWith(".png") || name.endsWith(".css")) {
InputStream in = zf.getInputStream(ze);
OutputStream out = new FileOutputStream(dest+name);
final File zipEntryFile = new File(dest, name);
if (!zipEntryFile.toPath().normalize().startsWith(dest)) {
throw new RuntimeException("Bad zip entry");
}
OutputStream out = new FileOutputStream(zipEntryFile);

byte data[] = new byte[BUFFER];
int count;
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