==========================================================================
\nUbuntu Security Notice USN-5423-1
\nMay 17, 2022<\/p>\n
clamav vulnerabilities
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 22.04 LTS
\n– Ubuntu 21.10
\n– Ubuntu 20.04 LTS
\n– Ubuntu 18.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in ClamAV.<\/p>\n
Software Description:
\n– clamav: Anti-virus utility for Unix<\/p>\n
Details:<\/p>\n
Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing CHM files.
\nA remote attacker could possibly use this issue to cause ClamAV to stop
\nresponding, resulting in a denial of service. (CVE-2022-20770)<\/p>\n
Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing TIFF
\nfiles. A remote attacker could possibly use this issue to cause ClamAV to
\nstop responding, resulting in a denial of service. (CVE-2022-20771)<\/p>\n
Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing HTML
\nfiles. A remote attacker could possibly use this issue to cause ClamAV to
\nconsume resources, resulting in a denial of service. (CVE-2022-20785)<\/p>\n
Micha\u0142 Dardas discovered that ClamAV incorrectly handled loading the
\nsignature database. A remote attacker could possibly use this issue to
\ncause ClamAV to crash, resulting in a denial of service, or possibly
\nexecute arbitrary code. (CVE-2022-20792)<\/p>\n
Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly
\nhandled the scan verdict cache check. A remote attacker could possibly use
\nthis issue to cause ClamAV to crash, resulting in a denial of service, or
\npossibly execute arbitrary code.(CVE-2022-20796)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
\npackage versions:<\/p>\n
Ubuntu 22.04 LTS:
\nclamav 0.103.6+dfsg-0ubuntu0.22.04.1<\/p>\n
Ubuntu 21.10:
\nclamav 0.103.6+dfsg-0ubuntu0.21.10.1<\/p>\n
Ubuntu 20.04 LTS:
\nclamav 0.103.6+dfsg-0ubuntu0.20.04.1<\/p>\n
Ubuntu 18.04 LTS:
\nclamav 0.103.6+dfsg-0ubuntu0.18.04.1<\/p>\n
This update uses a new upstream release, which includes additional bug
\nfixes. In general, a standard system update will make all the necessary
\nchanges.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-5423-1
\nCVE-2022-20770, CVE-2022-20771, CVE-2022-20785, CVE-2022-20792,
\nCVE-2022-20796<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/clamav\/0.103.6+dfsg-0ubuntu0.22.04.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/clamav\/0.103.6+dfsg-0ubuntu0.21.10.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/clamav\/0.103.6+dfsg-0ubuntu0.20.04.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/clamav\/0.103.6+dfsg-0ubuntu0.18.04.1<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== Ubuntu Security Notice USN-5423-1 May 17, 2022 clamav vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 22.04 LTS – Ubuntu 21.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS Summary: Several security issues were fixed in ClamAV. Software Description: – clamav: Anti-virus utility for Unix Details: Micha\u0142 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-24578","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/24578","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=24578"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/24578\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=24578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=24578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=24578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}