PyPi: Python

CVE-2019-9636

Safety vulnerability ID: 45682

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Mar 08, 2019 Updated at Dec 10, 2024

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Advisory

Python versions 2.7.17, 3.5.7, 3.6.9 and 3.7.3 include a fix for CVE-2019-9636: Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is information disclosure (credentials, cookies, etc. that are cached against a given hostname). The affected components are urllib.parse.urlsplit and urllib.parse.urlparse. The attack vector is a specially crafted URL that could be incorrectly parsed to locate cookies or authentication data and send that information to a different host.
https://bugs.python.org/issue36216

Affected package

python

Latest version: 0.9.8

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

CRITICAL 9.8

CVSS v3 Details

CRITICAL 9.8

Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality Impact (C): HIGH
Integrity Impact (I): HIGH
Availability Availability (A): HIGH

CVSS v2 Details

MEDIUM 5.0

Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (Au): NONE
Confidentiality Impact (C): PARTIAL
Integrity Impact (I): NONE
Availability Impact (A): NONE