==========================================================================
Ubuntu Security Notice USN-6754-1
April 25, 2024<\/p>\n
nghttp2 vulnerabilities
==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 23.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS (Available with Ubuntu Pro)
– Ubuntu 16.04 LTS (Available with Ubuntu Pro)<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in nghttp2.<\/p>\n
Software Description:
– nghttp2: HTTP\/2 C Library and tools<\/p>\n
Details:<\/p>\n
It was discovered that nghttp2 incorrectly handled the HTTP\/2
implementation. A remote attacker could possibly use this issue to cause
nghttp2 to consume resources, leading to a denial of service. This issue
only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9511,
CVE-2019-9513)<\/p>\n
It was discovered that nghttp2 incorrectly handled request cancellation. A
remote attacker could possibly use this issue to cause nghttp2 to consume
resources, leading to a denial of service. This issue only affected Ubuntu
16.04 LTS and Ubuntu 18.04 LTS. (CVE-2023-44487)<\/p>\n
It was discovered that nghttp2 could be made to process an unlimited number
of HTTP\/2 CONTINUATION frames. A remote attacker could possibly use this
issue to cause nghttp2 to consume resources, leading to a denial of
service. (CVE-2024-28182)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
package versions:<\/p>\n
Ubuntu 23.10:
libnghttp2-14 1.55.1-1ubuntu0.2
nghttp2 1.55.1-1ubuntu0.2
nghttp2-client 1.55.1-1ubuntu0.2
nghttp2-proxy 1.55.1-1ubuntu0.2
nghttp2-server 1.55.1-1ubuntu0.2<\/p>\n
Ubuntu 22.04 LTS:
libnghttp2-14 1.43.0-1ubuntu0.2
nghttp2 1.43.0-1ubuntu0.2
nghttp2-client 1.43.0-1ubuntu0.2
nghttp2-proxy 1.43.0-1ubuntu0.2
nghttp2-server 1.43.0-1ubuntu0.2<\/p>\n
Ubuntu 20.04 LTS:
libnghttp2-14 1.40.0-1ubuntu0.3
nghttp2 1.40.0-1ubuntu0.3
nghttp2-client 1.40.0-1ubuntu0.3
nghttp2-proxy 1.40.0-1ubuntu0.3
nghttp2-server 1.40.0-1ubuntu0.3<\/p>\n
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
libnghttp2-14 1.30.0-1ubuntu1+esm2
nghttp2 1.30.0-1ubuntu1+esm2
nghttp2-client 1.30.0-1ubuntu1+esm2
nghttp2-proxy 1.30.0-1ubuntu1+esm2
nghttp2-server 1.30.0-1ubuntu1+esm2<\/p>\n
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
libnghttp2-14 1.7.1-1ubuntu0.1~esm2
nghttp2 1.7.1-1ubuntu0.1~esm2
nghttp2-client 1.7.1-1ubuntu0.1~esm2
nghttp2-proxy 1.7.1-1ubuntu0.1~esm2
nghttp2-server 1.7.1-1ubuntu0.1~esm2<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6754-1
CVE-2019-9511, CVE-2019-9513, CVE-2023-44487, CVE-2024-28182<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/nghttp2\/1.55.1-1ubuntu0.2
https:\/\/launchpad.net\/ubuntu\/+source\/nghttp2\/1.43.0-1ubuntu0.2
https:\/\/launchpad.net\/ubuntu\/+source\/nghttp2\/1.40.0-1ubuntu0.3<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6754-1April 25, 2024 nghttp2 vulnerabilities========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 23.10– Ubuntu 22.04 LTS– Ubuntu 20.04 LTS– Ubuntu 18.04 LTS (Available with Ubuntu Pro)– Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: Several security issues were fixed in nghttp2. Software Description:– nghttp2: HTTP\/2 C …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-56490","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/56490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=56490"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/56490\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=56490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=56490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=56490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}