{"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\/pt\/blog\/news\/obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-102-4","title":{"rendered":"Atualiza\u00e7\u00e3o do pacote antiv\u00edrus gratuito 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\">Formado<\/a><\/noindex> lan\u00e7amento do pacote antiv\u00edrus gratuito <noindex><a rel=\"nofollow\" href=\"https:\/\/www.clamav.net\/\">ClamAV 0.102.4<\/a><\/noindex>, no qual foram corrigidos tr\u00eas <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-famp-ZEpdXy\">no aplicativo para Windows, que permitia ao usu\u00e1rio elevar seus privil\u00e9gios no sistema para administrador (a vulnerabilidade foi causada pela intera\u00e7\u00e3o inadequada entre o cliente GUI sem privil\u00e9gios e o servi\u00e7o de sistema).<\/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\">permite<\/a><\/noindex> vulnerabilidades que permitem a um atacante local n\u00e3o privilegiado excluir ou mover arquivos arbitr\u00e1rios no sistema. Por exemplo, \u00e9 poss\u00edvel excluir \/etc\/passwd sem ter as permiss\u00f5es necess\u00e1rias. A vulnerabilidade \u00e9 causada por uma condi\u00e7\u00e3o de corrida que ocorre durante a varredura de arquivos maliciosos, permitindo ao usu\u00e1rio com acesso ao shell do sistema substituir o diret\u00f3rio de destino para varredura por um link simb\u00f3lico que aponta para outro caminho.\n<p>Por exemplo, um atacante pode criar o diret\u00f3rio \"\/home\/user\/exploit\/\" e carregar um arquivo com uma assinatura de teste de v\u00edrus, nomeando esse arquivo como \"passwd\". Ap\u00f3s a execu\u00e7\u00e3o do programa de verifica\u00e7\u00e3o de v\u00edrus, mas antes da exclus\u00e3o do arquivo problem\u00e1tico, \u00e9 poss\u00edvel substituir o diret\u00f3rio \"exploit\" por um link simb\u00f3lico que aponta para o diret\u00f3rio \"\/etc\", o que resultar\u00e1 na exclus\u00e3o do arquivo \/etc\/passwd pelo antiv\u00edrus. A vulnerabilidade se manifesta apenas ao usar clamscan, clamdscan e clamonacc com a op\u00e7\u00e3o \"--move\" ou \"--remove\". <\/p>\n<li class=\"l\"> CVE-2020-3327, CVE-2020-3481 \u2014 vulnerabilidades nos m\u00f3dulos de an\u00e1lise de arquivos comprimidos nos formatos ARJ e EGG, permitindo causar uma nega\u00e7\u00e3o de servi\u00e7o atrav\u00e9s do envio de arquivos comprimidos especialmente formatados, cujo processamento resultar\u00e1 na falha do processo de verifica\u00e7\u00e3o.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 5.0.3 - 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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