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ubuntuUbuntuUSN-5223-1
HistoryJan 12, 2022 - 12:00 a.m.

Apache Log4j 1.2 vulnerability

2022-01-1200:00:00
ubuntu.com
151
apache log4j
ubuntu
vulnerability
deserialization
dos
arbitrary code

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.159

Percentile

96.0%

Releases

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

Packages

  • apache-log4j1.2 - Java-based open-source logging tool

Details

It was discovered that Apache Log4j 1.2 was vulnerable to deserialization of
untrusted data if the configuration file was editable. An attacker could use
this vulnerability to cause a DoS or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchliblog4j1.2-java< 1.2.17-10ubuntu0.21.10.1UNKNOWN
Ubuntu21.10noarchliblog4j1.2-java-doc< 1.2.17-10ubuntu0.21.10.1UNKNOWN
Ubuntu21.04noarchliblog4j1.2-java< 1.2.17-10ubuntu0.21.04.1UNKNOWN
Ubuntu21.04noarchliblog4j1.2-java-doc< 1.2.17-10ubuntu0.21.04.1UNKNOWN
Ubuntu20.04noarchliblog4j1.2-java< 1.2.17-9ubuntu0.1UNKNOWN
Ubuntu20.04noarchliblog4j1.2-java-doc< 1.2.17-9ubuntu0.1UNKNOWN
Ubuntu18.04noarchliblog4j1.2-java< 1.2.17-8+deb10u1ubuntu0.1UNKNOWN
Ubuntu18.04noarchliblog4j1.2-java-doc< 1.2.17-8+deb10u1ubuntu0.1UNKNOWN

CVSS2

6

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0.159

Percentile

96.0%