PYSEC-2021-62

    Dashboard / Vulnerabilities / PYSEC-2021-62

    PYSEC-2021-62

    Published: 11 Jan 2021Last Modified: 8 Nov 2023

    Summary:

    Details: 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.

    References: https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b, https://github.com/advisories/GHSA-hggm-jpg3-v476

    Affected packages

    Package

    Name: cryptography

    Purl: pkg:pypi/cryptography

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.2.1

    Affected versions

    0.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2021-62 | CVE-DB