Description (CNA)
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| pyca / cryptography | affected >=1.8, < 39.0.1 |
CWE
CWE-754
References
- https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r
- https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.