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amazonAmazonALAS-2021-1554
HistoryDec 22, 2021 - 9:18 p.m.

Important: log4j-cve-2021-44228-hotpatch

2021-12-2221:18:00
alas.aws.amazon.com
59
apache log4j hotpatch
permissions
update
yum

CVSS2

9.3

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

CVSS3

10

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

EPSS

0.965

Percentile

99.6%

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

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.amzn1.noarch  
  
src:  
    log4j-cve-2021-44228-hotpatch-1.1-13.amzn1.src  

Additional References

Red Hat: CVE-2021-3100

Mitre: CVE-2021-3100

CVSS2

9.3

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

CVSS3

10

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

EPSS

0.965

Percentile

99.6%