==========================================================================
Ubuntu Security Notice USN-6998-1
September 11, 2024<\/p>\n
unbound vulnerabilities
==========================================================================<\/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
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in Unbound.<\/p>\n
Software Description:
– unbound: validating, recursive, caching DNS resolver<\/p>\n
Details:<\/p>\n
It was discovered that Unbound incorrectly handled string comparisons,
which could lead to a NULL pointer dereference. An attacker could
potentially use this issue to cause a denial of service. (CVE-2024-43167)<\/p>\n
It was discovered that Unbound incorrectly handled memory in
cfg_mark_ports, which could lead to a heap buffer overflow. A local
attacker could potentially use this issue to cause a denial of service
or execute arbitrary code. (CVE-2024-43168)<\/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
libunbound8 1.19.2-1ubuntu3.2
unbound 1.19.2-1ubuntu3.2
unbound-host 1.19.2-1ubuntu3.2<\/p>\n
Ubuntu 22.04 LTS
libunbound8 1.13.1-1ubuntu5.7
unbound 1.13.1-1ubuntu5.7
unbound-host 1.13.1-1ubuntu5.7<\/p>\n
Ubuntu 20.04 LTS
libunbound8 1.9.4-2ubuntu1.8
unbound 1.9.4-2ubuntu1.8
unbound-host 1.9.4-2ubuntu1.8<\/p>\n
Ubuntu 18.04 LTS
libunbound2 1.6.7-1ubuntu2.6+esm2
Available with Ubuntu Pro
unbound 1.6.7-1ubuntu2.6+esm2
Available with Ubuntu Pro
unbound-host 1.6.7-1ubuntu2.6+esm2
Available with Ubuntu Pro<\/p>\n
Ubuntu 16.04 LTS
libunbound2 1.5.8-1ubuntu1.1+esm1
Available with Ubuntu Pro
unbound 1.5.8-1ubuntu1.1+esm1
Available with Ubuntu Pro
unbound-host 1.5.8-1ubuntu1.1+esm1
Available with Ubuntu Pro<\/p>\n
Ubuntu 14.04 LTS
libunbound2 1.4.22-1ubuntu4.14.04.3+esm1
Available with Ubuntu Pro
unbound 1.4.22-1ubuntu4.14.04.3+esm1
Available with Ubuntu Pro
unbound-host 1.4.22-1ubuntu4.14.04.3+esm1
Available with Ubuntu Pro<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6998-1
CVE-2024-43167, CVE-2024-43168<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/unbound\/1.19.2-1ubuntu3.2
https:\/\/launchpad.net\/ubuntu\/+source\/unbound\/1.13.1-1ubuntu5.7
https:\/\/launchpad.net\/ubuntu\/+source\/unbound\/1.9.4-2ubuntu1.8<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6998-1September 11, 2024 unbound vulnerabilities========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 24.04 LTS– Ubuntu 22.04 LTS– Ubuntu 20.04 LTS– Ubuntu 18.04 LTS– Ubuntu 16.04 LTS– Ubuntu 14.04 LTS Summary: Several security issues were fixed in Unbound. Software Description:– unbound: validating, recursive, caching DNS resolver Details: …<\/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-59592","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/59592","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=59592"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/59592\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=59592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=59592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=59592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}