QID 375559

QID 375559: Python Open Secure Sockets Layer (OpenSSL) Library Vulnerability

Python is an interpreted, high-level and general-purpose programming language.

CVE-2021-3449 : An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client.
CVE-2021-2450 : OpenSSL security check bypass.
Affected Versions of Python:
Python Versions 0.x up to 3.8.8
Python Versions 3.9.x up to 3.9.2

QID Detection Logic(Authenticated):
Detects the installed python version either from py.exe or patchlevel.h file.

Successful exploitation of these vulnerabilities may allow an attacker to crash the OpenSSL or enables untrusted users to modify OpenSSL's default configuration, insert CA certificates, modify (or even replace) existing engine modules, etc.

  • CVSS V3 rated as High - 7.4 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Vendor has release fix to this issue.
    Refer to issue trackerBug 43631 to address this vulnerability and obtain further details.
    Vendor References

    CVEs related to QID 375559

    CVE-2021-3449 | CVE-2021-3450 |
    Software Advisories
    Advisory ID Software Component Link
    Bug 43631 URL Logo bugs.python.org/issue43631
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