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amazonAmazonALAS2-2019-1258
HistoryAug 07, 2019 - 11:46 p.m.

Important: python

2019-08-0723:46:00
alas.aws.amazon.com
24

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

10 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.007 Low

EPSS

Percentile

80.4%

Issue Overview:

A security regression of CVE-2019-9636 was discovered in python, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is possible for an attacker to provide specially crafted URLs to make the application locate host-related information (e.g. cookies, authentication data) and send them to a different host than where it should, unlike if the URLs had been correctly parsed. The result of an attack may vary based on the application. (CVE-2019-10160)

Affected Packages:

python

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 to update your system.

New Packages:

aarch64:  
    python-2.7.16-2.amzn2.0.1.aarch64  
    python-libs-2.7.16-2.amzn2.0.1.aarch64  
    python-devel-2.7.16-2.amzn2.0.1.aarch64  
    python-tools-2.7.16-2.amzn2.0.1.aarch64  
    tkinter-2.7.16-2.amzn2.0.1.aarch64  
    python-test-2.7.16-2.amzn2.0.1.aarch64  
    python-debug-2.7.16-2.amzn2.0.1.aarch64  
    python-debuginfo-2.7.16-2.amzn2.0.1.aarch64  
  
i686:  
    python-2.7.16-2.amzn2.0.1.i686  
    python-libs-2.7.16-2.amzn2.0.1.i686  
    python-devel-2.7.16-2.amzn2.0.1.i686  
    python-tools-2.7.16-2.amzn2.0.1.i686  
    tkinter-2.7.16-2.amzn2.0.1.i686  
    python-test-2.7.16-2.amzn2.0.1.i686  
    python-debug-2.7.16-2.amzn2.0.1.i686  
    python-debuginfo-2.7.16-2.amzn2.0.1.i686  
  
src:  
    python-2.7.16-2.amzn2.0.1.src  
  
x86_64:  
    python-2.7.16-2.amzn2.0.1.x86_64  
    python-libs-2.7.16-2.amzn2.0.1.x86_64  
    python-devel-2.7.16-2.amzn2.0.1.x86_64  
    python-tools-2.7.16-2.amzn2.0.1.x86_64  
    tkinter-2.7.16-2.amzn2.0.1.x86_64  
    python-test-2.7.16-2.amzn2.0.1.x86_64  
    python-debug-2.7.16-2.amzn2.0.1.x86_64  
    python-debuginfo-2.7.16-2.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2019-10160

Mitre: CVE-2019-10160

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

10 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.007 Low

EPSS

Percentile

80.4%