CVE-2022-37189: Improper Restriction of XML External Entity Reference

September 7, 2022 (updated September 10, 2022)

DDMAL MEI2Volpiano 0.8.2 is vulnerable to XML External Entity (XXE), leading to a Denial of Service. This occurs due to the usage of the unsafe ‘xml.etree’ library to parse untrusted XML input.

References

docs.python.org/3/library/xml.html
github.com/DDMAL/MEI2Volpiano/
github.com/DDMAL/MEI2Volpiano/blob/987b70fff991235e682405f901388af0f414eaa8/mei2volpiano/mei2volpiano.py
nvd.nist.gov/vuln/detail/CVE-2022-37189
pyup.io/vulnerabilities/CVE-2022-37189/50928/

Code Behaviors & Features

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