PyPi: Python

CVE-2020-8492

Safety vulnerability ID: 45696

This vulnerability was reviewed by experts

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

Created at Jan 30, 2020 Updated at Nov 29, 2024

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Advisory

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

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

MEDIUM 6.5

CVSS v3 Details

MEDIUM 6.5

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

CVSS v2 Details

HIGH 7.1

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