Описание
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| python3.9 | fixed | 3.9.1~rc1-1 | package | |
| python3.7 | removed | package | ||
| python2.7 | removed | package | ||
| python2.7 | fixed | 2.7.18-8+deb11u1 | bullseye | package |
| pypy3 | fixed | 7.3.5+dfsg-2 | package |
Примечания
https://bugs.python.org/issue40791
https://github.com/python/cpython/commit/8183e11d87388e4e44e3242c42085b87a878f781 (v3.9.0b2)
https://github.com/python/cpython/commit/c1bbca5b004b3f74d240ef8a76ff445cc1a27efb (v3.9.1rc1)
https://github.com/python/cpython/commit/db95802bdfac4d13db3e2a391ec7b9e2f8d92dbe (v3.7.10)
https://github.com/python/cpython/commit/8bef9ebb1b88cfa4b2a38b93fe4ea22015d8254a (v3.6.13)
https://github.com/pypy/pypy/commit/5a6b88b9e00053538a4cba1a9b4b92fbe619a33a (release-pypy3.7-v7.3.4rc1)
https://github.com/python/cpython/issues/84968
Связанные уязвимости
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
Уязвимость функции hmac.compare_digest библиотеки Lib/hmac.py интерпретатора языка программирования Python, позволяющая нарушителю повысить свои привилегии