==========================================================================
Ubuntu Security Notice USN-6909-1
July 23, 2024<\/p>\n
bind9 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<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in Bind.<\/p>\n
Software Description:
– bind9: Internet Domain Name Server<\/p>\n
Details:<\/p>\n
It was discovered that Bind incorrectly handled a flood of DNS messages
over TCP. A remote attacker could possibly use this issue to cause Bind to
become unstable, resulting in a denial of service. (CVE-2024-0760)<\/p>\n
Toshifumi Sakaguchi discovered that Bind incorrectly handled having a very
large number of RRs existing at the same time. A remote attacker could
possibly use this issue to cause Bind to consume resources, leading to a
denial of service. (CVE-2024-1737)<\/p>\n
It was discovered that Bind incorrectly handled a large number of SIG(0)
signed requests. A remote attacker could possibly use this issue to cause
Bind to consume resources, leading to a denial of service. (CVE-2024-1975)<\/p>\n
Daniel Str\u00e4nger discovered that Bind incorrectly handled serving both
stable cache data and authoritative zone content. A remote attacker could
possibly use this issue to cause Bind to crash, resulting in a denial of
service. (CVE-2024-4076)<\/p>\n
On Ubuntu 20.04 LTS, Bind has been updated from 9.16 to 9.18. In addition
to security fixes, the updated packages contain bug fixes, new features,
and possibly incompatible changes.<\/p>\n
Please see the following for more information:<\/p>\n
https:\/\/kb.isc.org\/docs\/changes-to-be-aware-of-when-moving-from-bind-916-to-918<\/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
bind9 1:9.18.28-0ubuntu0.24.04.1<\/p>\n
Ubuntu 22.04 LTS
bind9 1:9.18.28-0ubuntu0.22.04.1<\/p>\n
Ubuntu 20.04 LTS
bind9 1:9.18.28-0ubuntu0.20.04.1<\/p>\n
This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6909-1
CVE-2024-0760, CVE-2024-1737, CVE-2024-1975, CVE-2024-4076<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/bind9\/1:9.18.28-0ubuntu0.24.04.1
https:\/\/launchpad.net\/ubuntu\/+source\/bind9\/1:9.18.28-0ubuntu0.22.04.1
https:\/\/launchpad.net\/ubuntu\/+source\/bind9\/1:9.18.28-0ubuntu0.20.04.1<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6909-1July 23, 2024 bind9 vulnerabilities========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 24.04 LTS– Ubuntu 22.04 LTS– Ubuntu 20.04 LTS Summary: Several security issues were fixed in Bind. Software Description:– bind9: Internet Domain Name Server Details: It was discovered that Bind incorrectly handled a flood of …<\/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-58434","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/58434","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=58434"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/58434\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=58434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=58434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=58434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}