Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2023-44487

Published: 10 October 2023

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.

Notes

AuthorNote
mdeslaur
The nginx developers do not consider nginx to be affected by
this issue due to the default configuration restricting the
number of requests per connectiong (keepalive_requests). They
did provide a patch to harden nginx even further in environments
where the default are substantially modified.

haproxy was fixed in 2018 by the commit listed below

Debian's tomcat9 update caused a regression, investigate before
fixing tomcat packages.
ccdm94
see https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html
for more information on nginx developer's position regarding this CVE.
0xnishit
for golang-1.21 and 1.20, it is same patch as CVE-2023-39325

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
dotnet6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy
Released (6.0.123-0ubuntu1~22.04.1)
lunar
Released (6.0.123-0ubuntu1~23.04.1)
mantic
Released (6.0.123-0ubuntu1)
trusty Does not exist

upstream
Released (6.0.23)
xenial Does not exist

dotnet7
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy
Released (7.0.112-0ubuntu1~22.04.1)
lunar
Released (7.0.112-0ubuntu1~23.04.1)
mantic
Released (7.0.112-0ubuntu1)
trusty Does not exist

upstream
Released (7.0.12)
xenial Does not exist

dotnet8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable
(8.0.102-8.0.2-0ubuntu1~22.04.1)
lunar Does not exist

mantic
Released (8.0.100-8.0.0~rc2-0ubuntu1)
trusty Does not exist

upstream
Released (8.0.0-rc.2)
xenial Does not exist

golang
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.10
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

golang-1.13
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

golang-1.14
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.16
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needs triage

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.18
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

golang-1.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Ignored
(end of life, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.20
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (1.20.3-1ubuntu0.1~20.04.1)
jammy
Released (1.20.3-1ubuntu0.1~22.04.1)
lunar
Released (1.20.3-1ubuntu0.2)
mantic
Released (1.20.8-1ubuntu0.23.10.1)
trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.21
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (1.21.1-1~ubuntu20.04.2)
jammy
Released (1.21.1-1~ubuntu22.04.2)
lunar
Released (1.21.1-1~ubuntu23.04.2)
mantic
Released (1.21.1-1ubuntu0.23.10.1)
trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

golang-1.8
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.9
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

h2o
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

haproxy
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Not vulnerable
(2.0.31-0ubuntu0.2)
jammy Not vulnerable
(2.4.22-0ubuntu0.22.04.2)
lunar Not vulnerable
(2.6.9-1ubuntu1.1)
mantic Not vulnerable
(2.6.15-1ubuntu2)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

Patches:
upstream: http://git.haproxy.org/?p=haproxy.git;a=commit;h=f210191dc






netty
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Needed

jammy Needed

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needed

trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
nghttp2
Launchpad, Ubuntu, Debian
bionic Needs triage

focal
Released (1.40.0-1ubuntu0.2)
jammy
Released (1.43.0-1ubuntu0.1)
lunar
Released (1.52.0-1ubuntu0.1)
mantic
Released (1.55.1-1ubuntu0.1)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

Patches:

upstream: https://github.com/nghttp2/nghttp2/pull/1961
upstream: https://github.com/nghttp2/nghttp2/commit/72b4af6143681f528f1d237b21a9a7aee1738832




nginx
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

jammy Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

trusty Not vulnerable

upstream Not vulnerable

xenial Not vulnerable

Patches:



upstream: https://github.com/nginx/nginx/commit/6ceef192e7af1c507826ac38a2d43f08bf265fb9



nodejs
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Needs triage

upstream Needs triage

xenial Needs triage

tomcat10
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Ignored
(end of standard support)
upstream
Released (10.1.14)
xenial Ignored
(end of standard support)
Patches:




upstream: https://github.com/apache/tomcat/commit/76bb4bfbfeae827dce896f650655bbf6e251ed49


tomcat8
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream
Released (8.5.94)
xenial Needs triage

tomcat9
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Ignored
(end of standard support)
upstream
Released (9.0.81)
xenial Ignored
(end of standard support)
Patches:





upstream: https://github.com/apache/tomcat/commit/6d1a9fd6642387969e4410b9989c85856b74917a

trafficserver
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

Patches:






upstream: https://github.com/apache/trafficserver/commit/b28ad74f117307e8de206f1de70c3fa716f90682

Severity score breakdown

Parameter Value
Base score 7.5
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