{"id":49840,"date":"2022-12-10T17:51:48","date_gmt":"2022-12-10T10:51:48","guid":{"rendered":"https:\/\/deepquest.code511.com\/blog\/2022\/12\/snap-confine-must_mkdir_and_open_with_perms-race-condition\/"},"modified":"2022-12-10T17:51:48","modified_gmt":"2022-12-10T10:51:48","slug":"snap-confine-must_mkdir_and_open_with_perms-race-condition","status":"publish","type":"post","link":"https:\/\/deepquest.code511.com\/blog\/2022\/12\/snap-confine-must_mkdir_and_open_with_perms-race-condition\/","title":{"rendered":"snap-confine must_mkdir_and_open_with_perms() Race Condition"},"content":{"rendered":"<p>Qualys discovered a race condition (CVE-2022-3328) in snap-confine, a SUID-root program installed by default on Ubuntu. In this advisory,they tell the story of this vulnerability (which was introduced in February 2022 by the patch for CVE-2021-44731) and detail how they exploited it in Ubuntu Server (a local privilege escalation, from any user to root) by combining it with two vulnerabilities in multipathd (an authorization bypass and a symlink attack, CVE-2022-41974 and CVE-2022-41973).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qualys discovered a race condition (CVE-2022-3328) in snap-confine, a SUID-root program installed by default on Ubuntu. In this advisory,they tell the story of this vulnerability (which was introduced in February&#8230;<\/p>\n","protected":false},"author":439,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-49840","post","type-post","status-publish","format-standard","hentry","category-exploit"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4bBYZ-cXS","_links":{"self":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts\/49840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/users\/439"}],"replies":[{"embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/comments?post=49840"}],"version-history":[{"count":0,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/posts\/49840\/revisions"}],"wp:attachment":[{"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/media?parent=49840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/categories?post=49840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deepquest.code511.com\/blog\/wp-json\/wp\/v2\/tags?post=49840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}