==========================================================================
\nUbuntu Security Notice USN-6237-1
\nJuly 19, 2023<\/p>\n
curl vulnerabilities
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 23.04
\n– Ubuntu 22.10
\n– Ubuntu 22.04 LTS
\n– Ubuntu 20.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in curl.<\/p>\n
Software Description:
\n– curl: HTTP, HTTPS, and FTP client and client libraries<\/p>\n
Details:<\/p>\n
Hiroki Kurosawa discovered that curl incorrectly handled validating certain
\ncertificate wildcards. A remote attacker could possibly use this issue to
\nspoof certain website certificates using IDN hosts. (CVE-2023-28321)<\/p>\n
Hiroki Kurosawa discovered that curl incorrectly handled callbacks when
\ncertain options are set by applications. This could cause applications
\nusing curl to misbehave, resulting in information disclosure, or a denial
\nof service. (CVE-2023-28322)<\/p>\n
It was discovered that curl incorrectly handled saving cookies to files. A
\nlocal attacker could possibly use this issue to create or overwrite files.
\nThis issue only affected Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-32001)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
\npackage versions:<\/p>\n
Ubuntu 23.04:
\ncurl 7.88.1-8ubuntu2.1
\nlibcurl3-gnutls 7.88.1-8ubuntu2.1
\nlibcurl3-nss 7.88.1-8ubuntu2.1
\nlibcurl4 7.88.1-8ubuntu2.1<\/p>\n
Ubuntu 22.10:
\ncurl 7.85.0-1ubuntu0.6
\nlibcurl3-gnutls 7.85.0-1ubuntu0.6
\nlibcurl3-nss 7.85.0-1ubuntu0.6
\nlibcurl4 7.85.0-1ubuntu0.6<\/p>\n
Ubuntu 22.04 LTS:
\ncurl 7.81.0-1ubuntu1.11
\nlibcurl3-gnutls 7.81.0-1ubuntu1.11
\nlibcurl3-nss 7.81.0-1ubuntu1.11
\nlibcurl4 7.81.0-1ubuntu1.11<\/p>\n
Ubuntu 20.04 LTS:
\ncurl 7.68.0-1ubuntu2.19
\nlibcurl3-gnutls 7.68.0-1ubuntu2.19
\nlibcurl3-nss 7.68.0-1ubuntu2.19
\nlibcurl4 7.68.0-1ubuntu2.19<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-6237-1
\nCVE-2023-28321, CVE-2023-28322, CVE-2023-32001<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/curl\/7.88.1-8ubuntu2.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/curl\/7.85.0-1ubuntu0.6
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/curl\/7.81.0-1ubuntu1.11
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/curl\/7.68.0-1ubuntu2.19<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== Ubuntu Security Notice USN-6237-1 July 19, 2023 curl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 23.04 – Ubuntu 22.10 – Ubuntu 22.04 LTS – Ubuntu 20.04 LTS Summary: Several security issues were fixed in curl. Software Description: – curl: HTTP, HTTPS, and FTP client and client …<\/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-45321","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/45321","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=45321"}],"version-history":[{"count":1,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/45321\/revisions"}],"predecessor-version":[{"id":45546,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/45321\/revisions\/45546"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=45321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=45321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=45321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}