Lucene search

K
amazonAmazonALAS2-2021-1732
HistoryDec 22, 2021 - 9:17 p.m.

Important: log4j-cve-2021-44228-hotpatch

2021-12-2221:17:00
alas.aws.amazon.com
127

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.976 High

EPSS

Percentile

100.0%

Issue Overview:

The Apache Log4j hotpatch package starting with log4j-cve-2021-44228-hotpatch-1.1-13 will now explicitly mimic the permissions of the JVM attempting to be updated.

Affected Packages:

log4j-cve-2021-44228-hotpatch

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 log4j-cve-2021-44228-hotpatch to update your system.

New Packages:

noarch:  
    log4j-cve-2021-44228-hotpatch-1.1-13.amzn2.noarch  
  
src:  
    log4j-cve-2021-44228-hotpatch-1.1-13.amzn2.src  

Additional References

Red Hat: CVE-2021-3100

Mitre: CVE-2021-3100

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.976 High

EPSS

Percentile

100.0%