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amazonAmazonALAS2-2023-1946
HistoryFeb 17, 2023 - 12:11 a.m.

Medium: httpcomponents-client

2023-02-1700:11:00
alas.aws.amazon.com
23
apache httpclient
malformed authority
request uris
target host
cve-2020-13956
amazon linux 2
update
red hat
mitre

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.1%

Issue Overview:

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution. (CVE-2020-13956)

Affected Packages:

httpcomponents-client

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 httpcomponents-client to update your system.

New Packages:

noarch:  
    httpcomponents-client-4.2.5-5.amzn2.0.1.noarch  
    httpcomponents-client-javadoc-4.2.5-5.amzn2.0.1.noarch  
  
src:  
    httpcomponents-client-4.2.5-5.amzn2.0.1.src  

Additional References

Red Hat: CVE-2020-13956

Mitre: CVE-2020-13956

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.1%