==========================================================================
\nUbuntu Security Notice USN-6237-2
\nJuly 19, 2023<\/p>\n
curl regression
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 22.04 LTS<\/p>\n
Summary:<\/p>\n
USN-6237-1 introduced a regression in curl.<\/p>\n
Software Description:
\n– curl: HTTP, HTTPS, and FTP client and client libraries<\/p>\n
Details:<\/p>\n
USN-6237-1 fixed vulnerabilities in curl. The update caused a certificate
\nwildcard handling regression on Ubuntu 22.04 LTS. This update fixes the
\nproblem.<\/p>\n
We apologize for the inconvenience.<\/p>\n
Original advisory 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)
\nHiroki 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)
\nIt 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 22.04 LTS:
\ncurl 7.81.0-1ubuntu1.13
\nlibcurl3-gnutls 7.81.0-1ubuntu1.13
\nlibcurl3-nss 7.81.0-1ubuntu1.13
\nlibcurl4 7.81.0-1ubuntu1.13<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-6237-2
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-6237-1
\nhttps:\/\/launchpad.net\/bugs\/2028170<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/curl\/7.81.0-1ubuntu1.13<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== Ubuntu Security Notice USN-6237-2 July 19, 2023 curl regression ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 22.04 LTS Summary: USN-6237-1 introduced a regression in curl. Software Description: – curl: HTTP, HTTPS, and FTP client and client libraries Details: USN-6237-1 fixed vulnerabilities in curl. The update caused a …<\/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-45363","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/45363","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=45363"}],"version-history":[{"count":1,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/45363\/revisions"}],"predecessor-version":[{"id":45502,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/45363\/revisions\/45502"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=45363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=45363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=45363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}