{"id":89127,"date":"2020-07-18T19:42:21","date_gmt":"2020-07-18T17:42:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-102-4"},"modified":"2020-07-18T19:42:21","modified_gmt":"2020-07-18T17:42:21","slug":"obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-102-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-102-4","title":{"rendered":"Aktualizacja wolnego pakietu antywirusowego ClamAV 0.102.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.clamav.net\/2020\/07\/clamav-01024-security-patch-released.html\">Uformowane<\/a><\/noindex> wydanie darmowego pakietu antywirusowego <noindex><a rel=\"nofollow\" href=\"https:\/\/www.clamav.net\/\">ClamAV 0.102.4<\/a><\/noindex>, w kt\u00f3rym usuni\u0119to trzy <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-famp-ZEpdXy\">vulnerablista<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2020-3350\">CVE-2020-3350<\/a><\/noindex> \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52779\">przekazywanie<\/a><\/noindex> nieuprzywilejowany lokalny atakuj\u0105cy mo\u017ce zorganizowa\u0107 usuni\u0119cie lub przeniesienie dowolnych plik\u00f3w w systemie, na przyk\u0142ad mo\u017cna usun\u0105\u0107 \/etc\/passwd bez odpowiednich uprawnie\u0144. Luka bezpiecze\u0144stwa zosta\u0142a spowodowana stanem wy\u015bcigu, kt\u00f3ry wyst\u0119puje podczas skanowania z\u0142o\u015bliwych plik\u00f3w i pozwala u\u017cytkownikowi z dost\u0119pem do pow\u0142oki w systemie zmieni\u0107 docelowy katalog do skanowania na symboliczn\u0105 link, wskazuj\u0105c\u0105 na inn\u0105 \u015bcie\u017ck\u0119.\n<p>Na przyk\u0142ad, atakuj\u0105cy mo\u017ce stworzy\u0107 katalog \"\/home\/user\/exploit\/\" i za\u0142adowa\u0107 do niego plik z testow\u0105 sygnatur\u0105 wirusa, nazywaj\u0105c ten plik \"passwd\". Po uruchomieniu programu skanowania wirus\u00f3w, ale przed usuni\u0119ciem problemowego pliku, mo\u017cna zamieni\u0107 katalog \"exploit\" na symboliczne \u0142\u0105cze, wskazuj\u0105ce na katalog \"\/etc\", co doprowadzi do usuni\u0119cia pliku \/etc\/passwd przez program antywirusowy. Wra\u017cliwo\u015b\u0107 objawia si\u0119 tylko przy u\u017cyciu clamscan, clamdscan i clamonacc z opcj\u0105 \"--move\" lub \"--remove\". <\/p>\n<li class=\"l\"> CVE-2020-3327, CVE-2020-3481 \u2014 luki w modu\u0142ach analizy archiw\u00f3w w formacie ARJ i EGG, kt\u00f3re pozwalaj\u0105 na wywo\u0142anie odmowy us\u0142ugi poprzez przekazanie specjalnie spreparowanych archiw\u00f3w, przetwarzanie kt\u00f3rych prowadzi do awarii procesu skanowania.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53388\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 ClamAV 0.102.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2020-3350 &#8212; \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0436\u043d\u043e \u0443\u0434\u0430\u043b\u0438\u0442\u044c \/etc\/passwd \u043d\u0435 \u0438\u043c\u0435\u044f \u043d\u0430 \u0442\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0445 \u043f\u043e\u043b\u043d\u043e\u043c\u043e\u0447\u0438\u0439. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u0433\u043e\u043d\u043a\u0438, \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0449\u0435\u043c \u043f\u0440\u0438 \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0441 shell-\u0434\u043e\u0441\u0442\u0443\u043f\u043e\u043c \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u043e\u0434\u043c\u0435\u043d\u0438\u0442\u044c \u0446\u0435\u043b\u0435\u0432\u043e\u0439 \u043a\u0430\u0442\u0430\u043b\u043e\u0433 [&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-89127","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e 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