A vulnerability classified as critical has been found in Calsign APDE. This affects the function handleExtract of the file APDE/src/main/java/com/calsignlabs/apde/build/dag/CopyBuildTask.java of the component ZIP File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 12/24/2022 as c6d64cbe465348c1bfd211122d89e3117afadecf. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-36628. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 0.5.2-pre2-alpha eliminates this vulnerability. The upgrade is hosted for download at github.com.

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• Calsign

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• APDE

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• open-source

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