libcommons-io-java: In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like...
CVE-2021-29425 is fixed in libcommons-io-java on 1 platform, first by libcommons-io-java 2.6-2ubuntu0.18.04.1, released April 13, 2021. It is not reported as exploited. Patch Radar priority: Routine.
In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above (thus "limited" path traversal), if the calling code would use the result to construct a path value.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libcommons-io-java · Ubuntu 18.04.6 LTS (bionic) | 2.6-2ubuntu0.18.04.1 | libcommons-io-java 2.6-2ubuntu0.18.04.1 | Apr 13, 2021 |
| libcommons-io-java · Ubuntu 20.04 LTS (focal) | 2.6-2ubuntu0.20.04.1 | libcommons-io-java 2.6-2ubuntu0.20.04.1 | Apr 13, 2021 |
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