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ubuntuUbuntuUSN-5222-1
HistoryJan 11, 2022 - 12:00 a.m.

Apache Log4j 2 vulnerabilities

2022-01-1100:00:00
ubuntu.com
147
apache log4j 2
rce attack
jdbc appender
jndi ldap
denial of service
cve-2021-44832
infinite recursion
lookup evaluation
ubuntu 18.04 esm

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

Low

EPSS

0.96

Percentile

99.5%

JSON

Releases

  • Ubuntu 21.10
  • Ubuntu 21.04
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

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

Details

It was discovered that Apache Log4j 2 was vulnerable to remote code
execution (RCE) attack when configured to use a JDBC Appender with a
JNDI LDAP data source URI. A remote attacker could possibly use this issue to
cause a crash, leading to a denial of service. (CVE-2021-44832)

Hideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not
protect against infinite recursion in lookup evaluation. A remote attacker
could possibly use this issue to cause Apache Log4j 2 to crash, leading to
a denial of service. This issue only affected Ubuntu 18.04 LTS.
(CVE-2021-45105)

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchliblog4j2-java< 2.17.1-0.21.10.1UNKNOWN
Ubuntu21.04noarchliblog4j2-java< 2.17.1-0.21.04.1UNKNOWN
Ubuntu20.04noarchliblog4j2-java< 2.17.1-0.20.04.1UNKNOWN
Ubuntu20.04noarchliblog4j2-java-doc< 2.17.1-0.20.04.1UNKNOWN
Ubuntu18.04noarchliblog4j2-java< 2.12.4-0ubuntu0.1UNKNOWN
Ubuntu18.04noarchliblog4j2-java-doc< 2.12.4-0ubuntu0.1UNKNOWN

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Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server, which is a required product for IBM Tivoli Netcool Configuration Manager (CVE-2021-45105, CVE-2021-44832)
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CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

Low

EPSS

0.96

Percentile

99.5%

JSON
Related for USN-5222-1
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