Impact

A path traversal attack aims to access files and directories that are stored outside the web root folder. By manipulating variables that reference files with “dot-dot-slash (../)” sequences and its variations or by using absolute file paths, it may be possible to access arbitrary files and directories stored on file system including application source code or configuration and critical system files.

Vulnerable code: https://github.com/aimhubio/aim/blob/0b99c6ca08e0ba7e7011453a2f68033e9b1d1bce/aim/web/api/views.py#L9-L16

Patches

The vulnerability issue is resolved in Aim v3.1.0.

References

https://owasp.org/www-community/attacks/Path_Traversal

References

• GHSA-8phj-f9w2-cjcc
• aimhubio/aim#1003
• https://github.com/aimhubio/aim/blob/0b99c6ca08e0ba7e7011453a2f68033e9b1d1bce/aim/web/api/views.py#L9-L16
• https://nvd.nist.gov/vuln/detail/CVE-2021-43775
• aimhubio/aim#999
• aimhubio/aim@b9e53df
• https://github.com/pypa/advisory-database/tree/main/vulns/aim/PYSEC-2021-839.yaml