Description
The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than the buffer size. Non-Windows platforms are not affected.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Python Software Foundation CPython
Default version status: unaffected
0 to < 3.11.16affected3.12.0 to < 3.12.14affected3.13.0 to < 3.13.14affected3.14.0a1 to < 3.14.5rc1affected3.15.0a1 to < 3.15.0b1affected
References
- https://github.com/python/cpython/pull/148809 ↗
- https://github.com/python/cpython/issues/148808 ↗
- https://mail.python.org/archives/list/security-announce@python.org/thread/KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F/ ↗
- https://github.com/python/cpython/commit/1274766d3c29007ab77245a72abbf8dce2a9db4d ↗
- https://github.com/python/cpython/commit/27522b7d6e6588f03e61099dd858cd5a9314e2f2 ↗
- https://github.com/python/cpython/commit/95633d2aad4721e25e4dfd9f43dfb6e1edcbd741 ↗
- https://github.com/python/cpython/commit/6c8b85b3f1d83d5697ec19880960e1eacee56688 ↗
- https://github.com/python/cpython/commit/f5ca38739241fe7a40a4b116d5a8a1364dd6fea7 ↗