CVE-2020-11080

Public on 2020-06-03

Modified on 2020-07-29

Description

A resource consumption vulnerability was found in nghttp2. This flaw allows an attacker to repeatedly construct an overly large HTTP/2 SETTINGS frame with a length of 14,400 bytes that causes excessive CPU usage, leading to a denial of service.

Severity

Important

See what this means

CVSS v3 Base Score

7.5

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	nghttp2	2020-07-27 23:18	ALAS-2020-1404
Amazon Linux 2 - Core	nghttp2	2020-06-26 22:54	ALAS2-2020-1445

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	CVSSv2	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD	CVSSv3	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Red Hat: CVE-2020-11080 Mitre: CVE-2020-11080 FAQs regarding Amazon Linux ALAS/CVE Severity