{"id":102221,"date":"2021-11-06T03:36:40","date_gmt":"2021-11-06T01:36:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/zahvat-kontrolya-nad-uyazvimymi-serverami-gitlab-dlya-vovlecheniya-v-provedenie-ddos-atak"},"modified":"2021-11-06T03:36:40","modified_gmt":"2021-11-06T01:36:40","slug":"zahvat-kontrolya-nad-uyazvimymi-serverami-gitlab-dlya-vovlecheniya-v-provedenie-ddos-atak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/zahvat-kontrolya-nad-uyazvimymi-serverami-gitlab-dlya-vovlecheniya-v-provedenie-ddos-atak","title":{"rendered":"Haavatavate GitLabi serverite \u00fcle kontrolli haaramine DDoS-r\u00fcnnakute korraldamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

GitLab teavitas kasutajaid suurenevast kurjategijate tegevusest, mis on seotud kriitilise haavatavuse CVE-2021-22205 \u00e4rakasutamisega, mis v\u00f5imaldab kaugelt, autentimise n\u00f5udeta, k\u00e4ivitada oma koodi serveris, kus kasutatakse GitLabi koost\u00f6\u00f6 arendamise platvormi. <\/p>\n

Probleem ilmneb GitLabis alates versioonist 11.9 ja see eemalduseks tehti aprillis versioonides GitLab 13.10.3, 13.9.6 ja 13.8.8. Sellest hoolimata, l\u00e4htuvalt 31. oktoobril l\u00e4biviidud \u00fclemaailmse v\u00f5rgu skaneerimisest 60 000 avalikult k\u00e4ttesaadava GitLabi eksemplari seas, j\u00e4tkab 50% s\u00fcsteeme vananenud versioonide kasutamist, mis on haavatavad. Vajalikud uuendused on paigaldatud vaid 21% kontrollitud s\u00fcsteemidest. serverite<\/a>, samas 29% s\u00fcsteemidest ei \u00f5nnestunud m\u00e4\u00e4rata kasutatava versiooni numbrit. <\/p>\n

GitLabi serverite administraatorite hooletu suhtumine uuenduste paigaldamisse on t\u00f5ukunud sellele, et haavatavus on hakanud aktiivselt kurjategijate poolt \u00e4ra kasutama, kes hakkasid paigaldama. serverites<\/a> kuriirprogrammil ja \u00fchendada need botneti t\u00f6\u00f6ga, mis osaleb DDoS-r\u00fcnnakutes. DDoS-r\u00fcnnaku haripunktis genereeritud liiklus maht botneti poolt haavatavate GitLabi serverite p\u00f5hjal ulatus kuni 1 terabitti sekundis. <\/p>\n

Haavatavus tuleneb valesti t\u00f6\u00f6deldud piltfailide \u00fcleslaadimisest v\u00e4lise parseriga, mis p\u00f5hineb ExifTooli teegil. ExifTooli haavatavus (CVE-2021-22204) v\u00f5imaldas s\u00fcsteemis t\u00e4ita juhuslikke k\u00e4ske DjVu formaadis failide metaandmete t\u00f6\u00f6tlemisel: (metadata \t (Copyright «\ » . qx{echo test >\/tmp\/test} . \ » b «) ) <\/p>\n

Samuti, kuna tegelik formaat m\u00e4\u00e4rati ExifToolis sisu MIME-t\u00fc\u00fcbi, mitte faili laiendi p\u00f5hjal, v\u00f5is r\u00fcndaja laadida DjVu-dokumendi, mis sisaldas exploiti tavap\u00e4rase JPG- v\u00f5i TIFF-pildi all. (GitLab kutsub ExifTooli k\u00f5igi jpg, jpeg ja tiff laiendiga failide jaoks, et eemaldada liigsed sildid). N\u00e4ide exploiti kohta. GitLab CE vaikimisi konfiguratsioonis v\u00f5ib r\u00fcnnaku l\u00e4bi viia, saates kaks autentimist mitte n\u00f5udvat p\u00e4ringut.

\"Haavatavate<\/center> <\/p>\n

GitLab'i kasutajatel soovitatakse veenduda, et nad kasutavad uusimat versiooni, ning juhul, kui nad kasutavad vananenud versiooni, tuleks h\u00e4daolukorras installida uuendused v\u00f5i rakendada osaliselt plaastrit, mis blokeerib haavatavuse esinemise. K\u00f5ik, kelle s\u00fcsteemid ei ole uuendatud, peaksid samuti veenduma, et nende s\u00fcsteem ei ole ohustatud, anal\u00fc\u00fcsides logisid ja kontrollides kahtlaste r\u00fcnnakute kontode olemasolu (n\u00e4iteks dexbcx, dexbcx818, dexbcxh, dexbcxi ja dexbcxa99).
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f GitLab \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043e\u0431 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0438 \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u043e\u0439 \u0441 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0435\u0439 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 CVE-2021-22205, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 GitLab. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 GitLab \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 11.9 \u0438 \u0431\u044b\u043b\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0435\u0449\u0451 \u0432 \u0430\u043f\u0440\u0435\u043b\u0435 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 GitLab 13.10.3, 13.9.6 \u0438 13.8.8. \u0422\u0435\u043c […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102222,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102221","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Kontrolli haaramine haavatavate GitLab serverite \u00fcle DDoS-r\u00fcnnakute l\u00e4biviimiseks | ProHoster","description":"Firma GitLab teatas kasutajatele, et pahatahtlike tegevuse aktiivsus on suurenenud, seoses kriitilise haavatavuse CVE-2021-22205 \u00e4rakasutamisega, mis v\u00f5imaldab kaugelt, autentimiseta, k\u00e4ivitada oma koodi serveris, kus kasutatakse GitLab'i koost\u00f6\u00f6 arendamise platvormi. Probleem ilmus GitLab'is alates versioonist 11.9 ja see lahendati juba aprillis versioonides GitLab 13.10.3, 13.9.6 ja 13.8.8.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/zahvat-kontrolya-nad-uyazvimymi-serverami-gitlab-dlya-vovlecheniya-v-provedenie-ddos-atak","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0417\u0430\u0445\u0432\u0430\u0442 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u043d\u0430\u0434 \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u043c\u0438 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