Vulnerability/
BIT-libpython-2020-27619

BIT-libpython-2020-27619: Critical severity Python Software Foundation Python vulnerability

Q: Which environments are affected?

The affected versions are Python 3 through 3.9.0. The issue is in the CJK codec tests under Lib/test/multibytecodec_support.py and is relevant when those tests retrieve content over HTTP.

Q: What would an attacker need to exploit this?

An attacker would need malicious content to be retrieved over HTTP by the affected CJK codec tests. That content is passed to eval(), so exploitation does not require authentication, user interaction, or prior privileges according to the supplied CVSS vector.

Published Oct 22, 2020

Updated

In Python 3 through 3.9.0, the Lib/test/multibytecodecsupport.py CJK codec tests call eval() on content retrieved via HTTP.

Affected Software

1 affected component

Python Software Foundation Python>=3<=3.9.0

Event History

Oct 22, 2020

CVE Published

via OSV·03:16 AM

Data Sourced

via OSV·03:16 AM

DescriptionSeverity

Frequently Asked Questions

Which environments are affected?

The affected versions are Python 3 through 3.9.0. The issue is in the CJK codec tests under Lib/test/multibytecodec_support.py and is relevant when those tests retrieve content over HTTP.

What would an attacker need to exploit this?

An attacker would need malicious content to be retrieved over HTTP by the affected CJK codec tests. That content is passed to eval(), so exploitation does not require authentication, user interaction, or prior privileges according to the supplied CVSS vector.

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