Rapid7 Vulnerability & Exploit Database

FreeBSD: (Multiple Advisories) (CVE-2023-44487): varnish -- HTTP/2 Rapid Reset Attack

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

FreeBSD: (Multiple Advisories) (CVE-2023-44487): varnish -- HTTP/2 Rapid Reset Attack

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/10/2023
Created
10/11/2023
Added
10/10/2023
Modified
12/11/2023

Description

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Solution(s)

  • freebsd-upgrade-package-h2o
  • freebsd-upgrade-package-h2o-devel
  • freebsd-upgrade-package-jenkins
  • freebsd-upgrade-package-jenkins-lts
  • freebsd-upgrade-package-traefik
  • freebsd-upgrade-package-varnish6
  • freebsd-upgrade-package-varnish7

References

  • CVE-2023-44487

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;