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amazonAmazonALAS2-2020-1446
HistoryJun 26, 2020 - 10:55 p.m.

Medium: python-urllib3

2020-06-2622:55:00
alas.aws.amazon.com
33

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.8%

Issue Overview:

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. (CVE-2018-20060)

Affected Packages:

python-urllib3

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update python-urllib3 to update your system.

New Packages:

noarch:  
    python-urllib3-1.25.7-1.amzn2.0.1.noarch  
  
src:  
    python-urllib3-1.25.7-1.amzn2.0.1.src  

Additional References

Red Hat: CVE-2018-20060

Mitre: CVE-2018-20060

OSVersionArchitecturePackageVersionFilename
Amazon Linux2noarchpython-urllib3< 1.25.7-1.amzn2.0.1python-urllib3-1.25.7-1.amzn2.0.1.noarch.rpm

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.8%