SB2020031708 - Denial of service in urllib3 library for Python



SB2020031708 - Denial of service in urllib3 library for Python

Published: March 17, 2020

Security Bulletin ID SB2020031708
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2020-7212)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an inefficient algorithm in the "_encode_invalid_chars" function in "util/url.py". A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.