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Attribute lookup on SSLSession object created through public constructor causes SIGSEGV #94101
Description
Example:
>>> import ssl
>>> s = ssl.SSLSession()
>>> s.id
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff73b8949 in SSL_SESSION_get_id () from /usr/lib/libssl.so.1.1
Environment:
CPython version tested on: 3.10.3, 3.12.0a0.
SSL version: 1.1.1n.
Linux, 5.16.9-arch1-1, x86_64.
The possible fix is to disallow instantiation for SSLSession type. Access to session property of SSLSocket objects works through PySSL_get_session (which does all necessary checks) and attributes of SSLSession objects are read-only so I think it shouldn't break anything.
Activity
gh-94101 Disallow instantiation of SSLSession objects (GH-94102)
pythongh-94101 Disallow instantiation of SSLSession objects (pythonGH…
pythongh-94101 Disallow instantiation of SSLSession objects (pythonGH…
gh-94101 Disallow instantiation of SSLSession objects (GH-94102)
gh-94101 Disallow instantiation of SSLSession objects (GH-94102)
Revert 30935 defer bpo45162 to 312 (#94285)