PyPi: Python

CVE-2019-9948

Safety vulnerability ID: 45684

This vulnerability was reviewed by experts

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

Created at Mar 23, 2019 Updated at Dec 10, 2024

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Advisory

Python versions 2.7.17, 3.5.8, 3.6.10 and 3.7.5 include a fix for CVE-2019-9948: Urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call. The issue was also found to be present in Python 3 when using URLopener class.
https://bugs.python.org/issue35907

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 9.1

CVSS v3 Details

CRITICAL 9.1

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): NONE

CVSS v2 Details

MEDIUM 6.4

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