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amazonAmazonALAS-2019-1224
HistoryJun 11, 2019 - 10:41 p.m.

Low: python-urllib3

2019-06-1122:41:00
alas.aws.amazon.com
215

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

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

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

New Packages:

noarch:  
    python27-urllib3-1.24.1-1.6.amzn1.noarch  
    python26-urllib3-1.24.1-1.6.amzn1.noarch  
  
src:  
    python-urllib3-1.24.1-1.6.amzn1.src  

Additional References

Red Hat: CVE-2018-20060

Mitre: CVE-2018-20060

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

0.01 Low

EPSS

Percentile

83.8%