CVE-2019-17571

Published: 20 December 2019

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.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
apache-log4j1.2 Launchpad, Ubuntu, Debian	bionic	Released (1.2.17-8+deb10u1build0.18.04.1)
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Not vulnerable (1.2.17-9)
	upstream	Needs triage
	impish	Not vulnerable (1.2.17-9)
	groovy	Not vulnerable (1.2.17-9)
	hirsute	Not vulnerable (1.2.17-9)
	jammy	Not vulnerable (1.2.17-9)
	xenial	Released (1.2.17-7ubuntu1+esm1) Available with Ubuntu Pro
	trusty	Needed
	kinetic	Not vulnerable (1.2.17-9)
	lunar	Not vulnerable (1.2.17-9)
	mantic	Not vulnerable (1.2.17-9)

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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