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CVE-2018-20060

Public on 2018-12-11
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
See what this means
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

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

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 CVSSv2 5.0 AV:N/AC:L/Au:N/C:P/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