CVE-2018-12122

Publication date 28 November 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated resources alive for a long period of time.

From the Ubuntu Security Team

Jan Maybach discovered that Nde.js did not time out if incomplete HTTP/HTTPS headers were received. An attacker could use this vulnerability to cause a denial of service by keeping HTTP/HTTPS connections alive for a long period of time.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
nodejs	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Fixed 8.10.0~dfsg-2ubuntu0.4+esm1 Ubuntu Pro
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

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Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4796-1
Node.js vulnerabilities
15 March 2021