{"id":81560,"date":"2020-05-14T19:42:19","date_gmt":"2020-05-14T17:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/udalyonno-ekspluatiruemye-uyazvimosti-vo-freebsd"},"modified":"2020-05-14T19:42:19","modified_gmt":"2020-05-14T17:42:19","slug":"udalyonno-ekspluatiruemye-uyazvimosti-vo-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/udalyonno-ekspluatiruemye-uyazvimosti-vo-freebsd","title":{"rendered":"Vulnerabilitete t\u00eb shfryt\u00ebzuara n\u00eb distanc\u00eb n\u00eb FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>N\u00eb FreeBSD <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-May\/thread.html\">\u00ebsht\u00eb eliminuar<\/a><\/noindex> pes\u00eb vulnerabilitete, p\u00ebrfshir\u00eb probleme q\u00eb potencialisht mund t\u00eb \u00e7ojn\u00eb n\u00eb riprodhimin e t\u00eb dh\u00ebnave n\u00eb nivelin e b\u00ebrtham\u00ebs kur d\u00ebrgohen paketa t\u00eb caktuara rrjeti ose lejojn\u00eb nj\u00eb p\u00ebrdorues lokal t\u00eb rris\u00eb privilegjet e tij. Vulnerabilitetet jan\u00eb rregulluar n\u00eb p\u00ebrdit\u00ebsimet 12.1-RELEASE-p5 dhe 11.3-RELEASE-p9. <\/p>\n<p>Vulnerabiliteti m\u00eb i rrezikshmi (<noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-May\/001950.html\">CVE-2020-7454<\/a><\/noindex>) shkaktohet nga mungesa e verifikimit t\u00eb duhur t\u00eb madh\u00ebsis\u00eb s\u00eb paket\u00ebs n\u00eb bibliotek\u00ebn libalias gjat\u00eb analizimit t\u00eb titujve specifik\u00eb p\u00ebr protokollet. Biblioteka libalias p\u00ebrdoret n\u00eb filtrin e paketave ipfw p\u00ebr p\u00ebrkthimin e adresave dhe p\u00ebrfshin funksione standarde t\u00eb z\u00ebvend\u00ebsimit t\u00eb adresave n\u00eb paketat IP dhe analizimin e protokolleve. Vulnerabiliteti lejon q\u00eb, p\u00ebrmes d\u00ebrgimit t\u00eb nj\u00eb pakete rrjeti t\u00eb p\u00ebrgatitur posa\u00e7\u00ebrisht, t\u00eb arrihet leximi ose shk writing nga zona e memorie b\u00ebrtham\u00ebs (kur aplikohet implementimi NAT n\u00eb b\u00ebrtham\u00eb) ose procesin<br \/>\nnatd (kur p\u00ebrdoret implementimi NAT n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit). Problemi nuk prek konfigurimet NAT t\u00eb nd\u00ebrtuara duke p\u00ebrdorur filtrat e paketave pf dhe ipf, as konfigurimet ipfw, ku nuk p\u00ebrdoret NAT. <\/p>\n<p>Vulnerabilitete t\u00eb tjera:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-May\/001951.html\">CVE-2020-7455<\/a><\/noindex> &#8212; nj\u00eb tjet\u00ebr vulnerabilitet i eksploruar n\u00eb distanc\u00eb n\u00eb libalias, q\u00eb lidhet me llogaritjen e gabuar t\u00eb gjat\u00ebsi t\u00eb paketave n\u00eb trajtuesin FTP. Problemi kufizohet n\u00eb rrjedhjen e p\u00ebrmbajtjes s\u00eb disa bajt\u00ebve t\u00eb dh\u00ebnash nga zona e memories s\u00eb b\u00ebrtham\u00ebs ose procesit natd.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-May\/001953.html\">CVE-2019-15879<\/a><\/noindex> &#8212; vulnerabilitet n\u00eb modulin cryptodev, i shkaktuar nga qasja n\u00eb nj\u00eb zon\u00eb memorie t\u00eb liruar m\u00eb par\u00eb (use-after-free), q\u00eb i lejon nj\u00eb procesi pa privilegje t\u00eb shkruaj\u00eb n\u00eb pjes\u00eb t\u00eb rastit t\u00eb memories s\u00eb b\u00ebrtham\u00ebs. Si nj\u00eb zgjidhje p\u00ebr bllokimin e vulnerabilitetit, rekomandohet shkarkimi i modulit cryptodev me komand\u00ebn &#171;kldunload cryptodev&#187;, n\u00ebse ai \u00ebsht\u00eb ngarkuar (me default, cryptodev nuk \u00ebsht\u00eb ngarkuar). Moduli cryptodev u ofron aplikacioneve n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit qasje n\u00eb nd\u00ebrfaqen \/dev\/crypto p\u00ebr t\u00eb arritur tek mekanizmat e p\u00ebrshpejtimit harduerik t\u00eb operacioneve kriptografike (n\u00eb AES-NI dhe OpenSSL \/dev\/crypto nuk p\u00ebrdoret).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-May\/001954.html\">CVE-2019-15880<\/a><\/noindex> &#8212; vulnerabiliteti i dyt\u00eb n\u00eb cryptodev, q\u00eb lejon nj\u00eb p\u00ebrdorues pa privilegje t\u00eb inicoj\u00eb nj\u00eb r\u00ebnie t\u00eb sistemit p\u00ebrmes d\u00ebrgimit t\u00eb nj\u00eb k\u00ebrkese p\u00ebr kryerjen e nj\u00eb operacioni kriptografik me nj\u00eb MAC t\u00eb pavlefsh\u00ebm. Problemi shkaktohet nga mungesa e verifikimit t\u00eb madh\u00ebsis\u00eb s\u00eb \u00e7el\u00ebsit MAC gjat\u00eb alokimit t\u00eb nj\u00eb buferri p\u00ebr ruajtjen e tij (buferri krijohej mbi baz\u00ebn e t\u00eb dh\u00ebnave q\u00eb p\u00ebrdoruesi d\u00ebrgonte p\u00ebr madh\u00ebsin\u00eb, pa verifikim t\u00eb madh\u00ebsis\u00eb reale).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-May\/001952.html\">CVE-2019-15878<\/a><\/noindex> &#8212; vulnerabilitet n\u00eb zbatimin e protokollit SCTP (Stream Control Transmission Protocol), i shkaktuar nga verifikimi i gabuar t\u00eb \u00e7el\u00ebsit t\u00eb ndar\u00eb, q\u00eb p\u00ebrdoret nga zgjerimi SCTP-AUTH p\u00ebr autentifikimin e sekuencave SCTP. Nj\u00eb aplikacion lokal mund t\u00eb p\u00ebrdit\u00ebsoj\u00eb \u00e7el\u00ebsin p\u00ebrmes Socket API, duke nd\u00ebrprer\u00eb nj\u00ebkoh\u00ebsisht lidhjen SCTP, e cila do t\u00eb sillte aksesin n\u00eb nj\u00eb zon\u00eb memorie t\u00eb liruar m\u00eb par\u00eb (use-after-free).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Burimi: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52948\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u043f\u044f\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0441\u0440\u0435\u0434\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u043c\u0435\u044e\u0442\u0441\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u044f\u0434\u0440\u0430 \u043f\u0440\u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0438\u043b\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 12.1-RELEASE-p5 \u0438 11.3-RELEASE-p9. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-7454) \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u043e\u043b\u0436\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u043f\u0430\u043a\u0435\u0442\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libalias \u043f\u0440\u0438 \u0440\u0430\u0437\u0431\u043e\u0440\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0445 \u0434\u043b\u044f [&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-81560","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u043f\u044f\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0441\u0440\u0435\u0434\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u043c\u0435\u044e\u0442\u0441\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e.\" \/>\n\t<meta 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