Email header injection due to unquoted newlines
Vulnerability Description
There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-6923
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Petr Viktorin
- Seth Larson
- John Whitlock
- Bas Bloemsaat
References
- https://github.com/python/cpython/pull/122233
- https://github.com/python/cpython/issues/121650
- https://mail.python.org/archives/list/security-announce@python.org/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW/
- https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7
- https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0
- https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147
- https://github.com/python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1
- https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6
- https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533
- https://github.com/python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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