SB2019080662 - Red Hat Enterprise Linux 7 update for python-urllib3 

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Main Vulnerability Database SB2019080662

SB2019080662 - Red Hat Enterprise Linux 7 update for python-urllib3

Published: August 6, 2019

Security Bulletin ID SB2019080662
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2018-20060)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to Authorization HTTP header is not removed from the HTTP request during request redirection in "urllib3/util/retry.py". A remote attacker can intercept the request and gain access to sensitive information, passed via Authorization HTTP header.


2) CRLF injection (CVE-ID: CVE-2019-11236)

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient filtration of user-supplied data passed via HTTP request parameters to urllib3 library. A remote attacker can pass specially crafted data that contains CRLF sequences and perform a spoofing attack.


Remediation

Install update from vendor's website.

References