{"id":27329,"date":"2022-07-20T20:59:51","date_gmt":"2022-07-20T16:59:51","guid":{"rendered":"https:\/\/packetstormsecurity.com\/files\/167771\/USN-5526-1.txt"},"modified":"2022-07-23T09:54:44","modified_gmt":"2022-07-23T05:24:44","slug":"ubuntu-security-notice-usn-5526-1","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/ubuntu-security-notice-usn-5526-1\/","title":{"rendered":"Ubuntu Security Notice USN-5526-1"},"content":{"rendered":"<p dir=\"ltr\">=========================================================================<br \/>\nUbuntu Security Notice USN-5526-1<br \/>\nJuly 20, 2022<\/p>\n<p dir=\"ltr\">pyjwt vulnerability<br \/>\n=========================================================================<br \/>\nA security issue affects these releases of Ubuntu and its derivatives:<\/p>\n<p dir=\"ltr\">&#8211; Ubuntu 22.04 LTS<br \/>\n&#8211; Ubuntu 20.04 LTS<br \/>\n&#8211; Ubuntu 18.04 LTS<\/p>\n<p dir=\"ltr\">Summary:<\/p>\n<p dir=\"ltr\">PyJWT could allow signature forgery.<\/p>\n<p dir=\"ltr\">Software Description:<br \/>\n&#8211; pyjwt: Python 3 implementation of JSON Web Token<\/p>\n<p dir=\"ltr\">Details:<\/p>\n<p dir=\"ltr\">Aapo Oksman discovered that PyJWT incorrectly handled signatures<br \/>\nconstructed from SSH public keys. A remote attacker could use this to forge<br \/>\na JWT signature.<\/p>\n<p dir=\"ltr\">Update instructions:<\/p>\n<p dir=\"ltr\">The problem can be corrected by updating your system to the following<br \/>\npackage versions:<\/p>\n<p dir=\"ltr\">Ubuntu 22.04 LTS:<br \/>\npython3-jwt 2.3.0-1ubuntu0.1<\/p>\n<p dir=\"ltr\">Ubuntu 20.04 LTS:<br \/>\npython3-jwt 1.7.1-2ubuntu2.1<\/p>\n<p dir=\"ltr\">Ubuntu 18.04 LTS:<br \/>\npython-jwt 1.5.3+ds1-1ubuntu0.1<br \/>\npython3-jwt 1.5.3+ds1-1ubuntu0.1<\/p>\n<p dir=\"ltr\">In general, a standard system update will make all the necessary changes.<\/p>\n<p dir=\"ltr\">References:<br \/>\nhttps:\/\/ubuntu.com\/security\/notices\/USN-5526-1<br \/>\nCVE-2022-29217<\/p>\n<p dir=\"ltr\">Package Information:<br \/>\nhttps:\/\/launchpad.net\/ubuntu\/+source\/pyjwt\/2.3.0-1ubuntu0.1<br \/>\nhttps:\/\/launchpad.net\/ubuntu\/+source\/pyjwt\/1.7.1-2ubuntu2.1<br \/>\nhttps:\/\/launchpad.net\/ubuntu\/+source\/pyjwt\/1.5.3+ds1-1ubuntu0.1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>========================================================================= Ubuntu Security Notice USN-5526-1 July 20, 2022 pyjwt vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: &#8211; Ubuntu 22.04 LTS &#8211; Ubuntu 20.04 LTS &#8211; Ubuntu 18.04 LTS Summary: PyJWT could allow signature forgery. Software Description: &#8211; pyjwt: Python 3 implementation of JSON Web Token Details: Aapo Oksman discovered &hellip;<\/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-27329","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/27329","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=27329"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/27329\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=27329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=27329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=27329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}