{"id":104724,"date":"2022-07-28T15:36:38","date_gmt":"2022-07-28T13:36:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-samba-pozvolyayushhaya-pomenyat-parol-lyubomu-polzovatelyu"},"modified":"2022-07-28T15:36:38","modified_gmt":"2022-07-28T13:36:38","slug":"uyazvimost-v-samba-pozvolyayushhaya-pomenyat-parol-lyubomu-polzovatelyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/uyazvimost-v-samba-pozvolyayushhaya-pomenyat-parol-lyubomu-polzovatelyu","title":{"rendered":"A vulnerability in Samba allowing any user to change the password.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Corrective releases for Samba 4.16.4, 4.15.9, and 4.14.14 have been published, addressing 5 vulnerabilities. The release of package updates in distributions can be tracked on the following pages: Debian, Ubuntu, RHEL, SUSE, Arch, FreeBSD.    <\/p>\n<p>The most critical vulnerability (CVE-2022-32744) allows users in an Active Directory domain to change any user's password, including the administrator's password, thus gaining full control over the domain. This issue stems from the fact that KDC accepts kpasswd requests encrypted with any known key.     <\/p>\n<p>An attacker with access to  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/en\/domain\/\"   title=\"domain\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1234\">domain<\/a>, can send a spoofed password reset request on behalf of another user, encrypting it with their key, and the KDC will process it without checking the account's key. This also applies to sending spoofed requests using the keys of domain controllers operating in Read-Only Domain Controller (RODC) mode, which do not have the authority to change passwords. A workaround to protect against this can be to disable support for the kpasswd protocol by adding the line \u2018kpasswd port = 0\u2019 to smb.conf.    <\/p>\n<p>Other vulnerabilities:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-32746 \u2014 Active Directory users can initiate a use-after-free condition in the server process by sending specially crafted LDAP 'add' or 'modify' requests. The issue arises because the audit logging module accesses the contents of the LDAP message after the database handling module has freed the memory allocated for the message. For an attack to succeed, it is necessary to have permission to add or modify certain privileged attributes, such as userAccountControl.\n<li class=\"l\"> CVE-2022-2031 \u2014 Active Directory users can bypass some restrictions in the domain controller. The KDC and the kpasswd service are able to decrypt each other's tickets since they share the same set of keys and accounts. Consequently, a user who requested a password change can use the obtained ticket to access other services.\n<li class=\"l\"> CVE-2022-32745 \u2014 Active Directory users can cause a server process crash by sending 'add' or 'modify' LDAP requests that lead to accessing uninitialized data.\n<li class=\"l\"> CVE-2022-32742 \u2014 memory content information leak <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/en\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3841\">server<\/a> through manipulations with the SMB1 protocol. An SMB1 client with write access to shared storage can create conditions for writing snippets of server process memory content to a file or sending it to a printer. The attack is carried out by sending a 'write' request with an incorrect range. This issue affects only Samba branches prior to 4.11 (in 4.11, SMB1 support is disabled by default).                 <\/ul>\n<p>Source: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57565\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 Samba 4.16.4, 4.15.9 \u0438 4.14.14 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0441\u043b\u0435\u0434\u0438\u0442\u044c \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430\u0445: Debian, Ubuntu, RHEL, SUSE, Arch, FreeBSD. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-32744) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c \u0434\u043e\u043c\u0435\u043d\u0430 Active Directory \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0430\u0440\u043e\u043b\u044c \u043b\u044e\u0431\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043c\u043e\u0436\u043d\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0430\u0440\u043e\u043b\u044c \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u044b\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u0434\u043e\u043c\u0435\u043d\u043e\u043c. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104724","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b 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