CVE-2018-20060

Public on 2019-05-16
Modified on 2020-07-01
Description
urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.
Severity
Medium
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 python-virtualenv 2020-04-20 20:48 ALAS2-2020-1413
Amazon Linux 2 python-urllib3 2020-06-26 22:55 ALAS2-2020-1446
Amazon Linux 2 python-urllib3 2019-05-16 21:46 ALAS2-2019-1211
Amazon Linux 2 python-urllib3 2020-06-26 22:55 ALAS2-2020-1446
Amazon Linux 2 python-urllib3 2019-05-16 21:46 ALAS2-2019-1211
Amazon Linux 1 python-urllib3 2019-06-11 22:41 ALAS-2019-1224

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD CVSSv3 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N