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F5F5:K000133761HistoryMay 10, 2023 - 12:00 a.m.
K000133761 : Python vulnerability CVE-2021-3177
2023-05-1000:00:00
my.f5.com
19
python
buffer overflow
remote code execution
floating-point numbers
sprintf unsafely
Security Advisory Description
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely. (CVE-2021-3177)
Impact
An attacker may use this vulnerability to perform remote code execution on affected systems.
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