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ubuntuUbuntuUSN-5192-2
HistoryDec 17, 2021 - 12:00 a.m.

Apache Log4j 2 vulnerability

2021-12-1700:00:00
ubuntu.com
75

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

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.976 High

EPSS

Percentile

100.0%

JSON

Releases

  • Ubuntu 16.04 ESM

Packages

  • apache-log4j2 - Apache Log4j - Logging Framework for Java

Details

USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run
programs via a special crafted input. An attacker could use this vulnerability
to cause a denial of service or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchliblog4j2-java< 2.4-2ubuntu0.1~esm1UNKNOWN
Ubuntu16.04noarchliblog4j2-java< 2.4-2UNKNOWN
Ubuntu16.04noarchliblog4j2-java-doc< 2.4-2UNKNOWN

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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

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.976 High

EPSS

Percentile

100.0%

JSON
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