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amazonAmazonALAS2-2023-2174
HistoryJul 20, 2023 - 5:30 p.m.

Medium: python-ipaddress

2023-07-2017:30:00
alas.aws.amazon.com
7

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.009 Low

EPSS

Percentile

82.7%

Issue Overview:

A vulnerability was found in the way the ipaddress python module computes hash values in the IPv4Interface and IPv6Interface classes. This flaw allows an attacker to create many dictionary entries, due to the performance of a dictionary containing the IPv4Interface or IPv6Interface objects, possibly resulting in a denial of service. The highest threat from this vulnerability is to system availability. (CVE-2020-14422)

Affected Packages:

python-ipaddress

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-ipaddress to update your system.

New Packages:

noarch:  
    python-ipaddress-1.0.16-2.amzn2.0.2.noarch  
  
src:  
    python-ipaddress-1.0.16-2.amzn2.0.2.src  

Additional References

Red Hat: CVE-2020-14422

Mitre: CVE-2020-14422

OSVersionArchitecturePackageVersionFilename
Amazon Linux2noarchpython-ipaddress< 1.0.16-2.amzn2.0.2python-ipaddress-1.0.16-2.amzn2.0.2.noarch.rpm

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.009 Low

EPSS

Percentile

82.7%