{"id":105381,"date":"2022-10-25T21:36:42","date_gmt":"2022-10-25T19:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-samba-privodyashhie-k-perepolneniyu-bufera-i-vyhodu-za-graniczu-bazovogo-kataloga"},"modified":"2022-10-25T21:36:42","modified_gmt":"2022-10-25T19:36:42","slug":"uyazvimosti-v-samba-privodyashhie-k-perepolneniyu-bufera-i-vyhodu-za-graniczu-bazovogo-kataloga","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/uyazvimosti-v-samba-privodyashhie-k-perepolneniyu-bufera-i-vyhodu-za-graniczu-bazovogo-kataloga","title":{"rendered":"Kwetsbaarheden in Samba, die kunnen leiden tot buffer-overflows en het overschrijden van de basisdirectory.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Er zijn correcties uitgebracht voor de Samba-pakketten 4.17.2, 4.16.6 en 4.15.11 ter oplossing van twee kwetsbaarheden. Updates voor de pakketten in distributies kunnen worden gevolgd op de pagina's: Debian, Ubuntu, Gentoo, RHEL, SUSE, Arch, FreeBSD.    <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-3437 \u2014 buffer overflow in the unwrap_des() and unwrap_des3() functions provided in the GSSAPI library from the Heimdal package (included with Samba starting from version 4.0). Exploitation of the vulnerability is possible by sending a specially crafted packet to systems using GSSAPI. For example, the issue manifests in the implementation of the client and file <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-los-angeles\/\"   title=\"de server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3866\">de server<\/a> based on the SMB1 protocol, when using DCE\/RPC and in the Active Directory domain controller. Systems built with MIT Kerberos (--with-system-mitkrb5) instead of Heimdal are not affected by the issue.\n<li class=\"l\"> CVE-2022-3592 \u2014 the possibility of exceeding the boundary of the exported directory and accessing any file in the <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-newyork\/\"   title=\"de server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2728\">de server<\/a> door manipulaties met symbolische links. Het probleem manifesteert zich alleen in de Samba 4.17-tak en wordt veroorzaakt door een fout in de nieuwe code voor het verwerken van symbolische links in de gebruikersruimte (de code ontbrak een controle op de locatie van de doelmap van de link buiten de ge\u00ebxporteerde map). De kwetsbaarheid kan worden misbruikt door een client met schrijfrechten in het ge\u00ebxporteerde deel, aangeboden via de SMB1- of NFS-protocollen, die het cre\u00ebren van symbolische links toestaan.    <\/ul>\n<p>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57978\">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 4.17.2, 4.16.6 \u0438 4.15.11 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0434\u0432\u0443\u0445 \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, Gentoo, RHEL, SUSE, Arch, FreeBSD. CVE-2022-3437 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 unwrap_des() \u0438 unwrap_des3(), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 GSSAPI \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 Heimdal (\u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 Samba, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 4.0). \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 [&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-105381","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 4.17.2, 4.16.6 \u0438 4.15.11 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0434\u0432\u0443\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439.\" \/>\n\t<meta name=\"robots\" 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