CVE-2020-25659
python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
- Обновитесь до 2.1.4-1ubuntu1.4
PatchFirst · Свежие уязвимости
За последние 30 дней в python-cryptography опубликовано уязвимостей: 0; в каталоге KEV: 0.
Уязвимостей: 2
python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
A flaw was found in python-cryptography versions between >=1.9.0 and <2.3. The finalize_with_tag API did not enforce a minimum tag length. If a user did not validate the input length prior to passing it to finalize_with_tag an attacker could craft an invalid payload with a shortened tag (e.g. 1 byte) such that they would have a 1 in 256 chance of passing the MAC check. GCM tag forgeries can cause key leakage.
Сопоставьте установленный стек и версии со свежими базами уязвимостей.