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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
131

7.5 High

CVSS3

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

9.6 High

AI Score

Confidence

High

6 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.127 Low

EPSS

Percentile

95.4%

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

7.5 High

CVSS3

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

9.6 High

AI Score

Confidence

High

6 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.127 Low

EPSS

Percentile

95.4%