==========================================================================
Ubuntu Security Notice USN-6885-2
July 11, 2024<\/p>\n
apache2 regression
==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 24.04 LTS
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS<\/p>\n
Summary:<\/p>\n
USN-6885-1 introduced a regression in Apache HTTP Server.<\/p>\n
Software Description:
– apache2: Apache HTTP server<\/p>\n
Details:<\/p>\n
USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the security
fixes introduced a regression when proxying requests to a HTTP\/2 server.
This update fixes the problem.<\/p>\n
We apologize for the inconvenience.<\/p>\n
Original advisory details:<\/p>\n
Marc Stern discovered that the Apache HTTP Server incorrectly handled
serving WebSocket protocol upgrades over HTTP\/2 connections. A remote
attacker could possibly use this issue to cause the server to crash,
resulting in a denial of service. (CVE-2024-36387)
Orange Tsai discovered that the Apache HTTP Server mod_proxy module
incorrectly sent certain request URLs with incorrect encodings to backends.
A remote attacker could possibly use this issue to bypass authentication.
(CVE-2024-38473)
Orange Tsai discovered that the Apache HTTP Server mod_rewrite module
incorrectly handled certain substitutions. A remote attacker could possibly
use this issue to execute scripts in directories not directly reachable
by any URL, or cause a denial of service. Some environments may require
using the new UnsafeAllow3F flag to handle unsafe substitutions.
(CVE-2024-38474, CVE-2024-38475, CVE-2024-39573)
Orange Tsai discovered that the Apache HTTP Server incorrectly handled
certain response headers. A remote attacker could possibly use this issue
to obtain sensitive information, execute local scripts, or perform SSRF
attacks. (CVE-2024-38476)
Orange Tsai discovered that the Apache HTTP Server mod_proxy module
incorrectly handled certain requests. A remote attacker could possibly use
this issue to cause the server to crash, resulting in a denial of service.
(CVE-2024-38477)
It was discovered that the Apache HTTP Server incorrectly handled certain
handlers configured via AddType. A remote attacker could possibly use this
issue to obtain source code. (CVE-2024-39884)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
package versions:<\/p>\n
Ubuntu 24.04 LTS
apache2 2.4.58-1ubuntu8.3<\/p>\n
Ubuntu 22.04 LTS
apache2 2.4.52-1ubuntu4.11<\/p>\n
Ubuntu 20.04 LTS
apache2 2.4.41-4ubuntu3.20<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6885-2
https:\/\/ubuntu.com\/security\/notices\/USN-6885-1
https:\/\/launchpad.net\/bugs\/2072648<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/apache2\/2.4.58-1ubuntu8.3
https:\/\/launchpad.net\/ubuntu\/+source\/apache2\/2.4.52-1ubuntu4.11
https:\/\/launchpad.net\/ubuntu\/+source\/apache2\/2.4.41-4ubuntu3.20<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6885-2July 11, 2024 apache2 regression========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 24.04 LTS– Ubuntu 22.04 LTS– Ubuntu 20.04 LTS Summary: USN-6885-1 introduced a regression in Apache HTTP Server. Software Description:– apache2: Apache HTTP server Details: USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the …<\/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-58174","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/58174","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=58174"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/58174\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=58174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=58174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=58174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}