CVE-2019-17571

2019-12-2000:00:00

ubuntu.com

log4j

socketserver

deserialization

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.806

Percentile

98.4%

JSON

Included in Log4j 1.2 is a SocketServer class that is vulnerable to
deserialization of untrusted data which can be exploited to remotely
execute arbitrary code when combined with a deserialization gadget when
listening to untrusted network traffic for log data. This affects Log4j
versions up to 1.2 up to 1.2.17.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchapache-log4j1.2< 1.2.17-8+deb10u1build0.18.04.1UNKNOWN
ubuntu14.04noarchapache-log4j1.2< anyUNKNOWN
ubuntu16.04noarchapache-log4j1.2< 1.2.17-7ubuntu1+esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	apache-log4j1.2	< 1.2.17-8+deb10u1build0.18.04.1	UNKNOWN
ubuntu	14.04	noarch	apache-log4j1.2	< any	UNKNOWN
ubuntu	16.04	noarch	apache-log4j1.2	< 1.2.17-7ubuntu1+esm1	UNKNOWN