Check that extracting extension jar doesn't escape designated directory #7908
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trask
reviewed
Mar 2, 2023
| .toPath() | ||
| .startsWith(tempDirectory.getCanonicalFile().toPath())) { | ||
| throw new IllegalStateException("Invalid extension " + name); | ||
| } |
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oh wow, you can have relative ".." paths inside of a jar which escape the directory you are unjar-ing to? is there a simple link to this kind of issue that might make a helpful comment here?
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The first hit on google is https://security.snyk.io/research/zip-slip-vulnerability
trask
approved these changes
Mar 3, 2023
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Mostly to appease code scanners.