SB2023111039 - Credentials disclosure via redirects in urllib3



SB2023111039 - Credentials disclosure via redirects in urllib3

Published: November 10, 2023

Security Bulletin ID SB2023111039
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2018-25091)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to urllib3 does not remove the authorization HTTP header when following a cross-origin redirect. A remote attacker can gain access to sensitive information.

Note, the vulnerability exists due to incomplete fix for #VU26413 (CVE-2018-20060).


Remediation

Install update from vendor's website.