User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
python software foundation:cpython
References 9
https://github.com/python/cpython/commit/f25509e78e8be6ea73c811ac2b8c928c28841b…
cna@python.org
https://github.com/python/cpython/issues/143925
cna@python.org
https://github.com/python/cpython/pull/143926
cna@python.org
https://mail.python.org/archives/list/security-announce@python.org/thread/X66HL…
cna@python.org
https://github.com/python/cpython/commit/05356b1cc153108aaf27f3b72ce438af4aa218…
NVD
https://github.com/python/cpython/commit/34d76b00dabde81a793bd06dd8ecb057838c4b…
NVD
https://github.com/python/cpython/commit/3f396ca9d7bbe2a50ea6b8c9b27c0082884d9f…
NVD
https://github.com/python/cpython/commit/4ed11d3cd288e6b90196a15c5a825a45d318fe…
NVD
https://github.com/python/cpython/commit/a35ca3be5842505dab74dc0b90b89cde040501…
NVD