{"id":33388,"date":"2019-10-31T21:52:18","date_gmt":"2019-10-31T18:52:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-biblioteke-pharstreamwrapper-zatragivayushhaya-drupal-joomla-i-typo3\/"},"modified":"2019-10-31T21:52:18","modified_gmt":"2019-10-31T18:52:18","slug":"uyazvimost-v-biblioteke-pharstreamwrapper-zatragivayushhaya-drupal-joomla-i-typo3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-biblioteke-pharstreamwrapper-zatragivayushhaya-drupal-joomla-i-typo3","title":{"rendered":"Privat\u00ebsia n\u00eb bibliotek\u00ebn PharStreamWrapper, e cila ndikon n\u00eb Drupal, Joomla dhe Typo3.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb bibliotek\u00eb PharStreamWrapper<\/a><\/noindex>, ofruesht\u00eb mb\u00ebshtetje p\u00ebr mbrojtje nga ekzekutimi<\/a><\/noindex> sulm<\/a><\/noindex> p\u00ebrmes z\u00ebvend\u00ebsimit t\u00eb skedar\u00ebve n\u00eb formatin «Phar», u identifikua<\/a><\/noindex> vulnerabiliteti<\/a><\/noindex> (CVE-2019-11831<\/a><\/noindex>), duke lejuar shmangien e mbrojtjes nga deserializimi i kodit p\u00ebrmes z\u00ebvend\u00ebsimit t\u00eb karaktereve «..» n\u00eb rrug\u00eb. P\u00ebr shembull, sulmuesi mund t\u00eb p\u00ebrdor\u00eb p\u00ebr sulm nj\u00eb URL si «phar:\/\/\/path\/bad.phar\/..\/good.phar» dhe biblioteka do t\u00eb ndash\u00eb gjat\u00eb verifikimit emrin baz\u00eb «\/path\/good.phar», ndon\u00ebse gjat\u00eb trajtimit t\u00eb m\u00ebtejsh\u00ebm t\u00eb nj\u00eb rrug\u00eb t\u00eb till\u00eb do t\u00eb p\u00ebrdoret skedari «\/path\/bad.phar».<\/p>\n

Biblioteka \u00ebsht\u00eb zhvilluar nga krijuesit e CMS TYPO3, por po ashtu p\u00ebrdoret n\u00eb projekte Drupal dhe Joomla, duke i b\u00ebr\u00eb ata gjithashtu t\u00eb ndjesh\u00ebm ndaj k\u00ebsaj dob\u00ebsie. Problemi \u00ebsht\u00eb zgjidhur n\u00eb l\u00ebshimet PharStreamWrapper 2.1.1 dhe 3.1.1<\/a><\/noindex>. Projekti Drupal e ka zgjidhur problemin n\u00eb p\u00ebrdit\u00ebsimet 7.67, 8.6.16 dhe 8.7.1. N\u00eb Joomla, problemi shfaqet q\u00eb nga versi 3.9.3 dhe \u00ebsht\u00eb zgjidhur n\u00eb l\u00ebshimin 3.9.6. P\u00ebr t\u00eb zgjidhur problemin n\u00eb TYPO3, \u00ebsht\u00eb e nevojshme t\u00eb p\u00ebrdit\u00ebsoni bibliotek\u00ebn PharStreamWrapper.<\/p>\n

Nga ana praktike, dob\u00ebsia n\u00eb PharStreamWapper i lejon p\u00ebrdoruesit t\u00eb Drupal Core, q\u00eb ka autorizimin e administratorit t\u00eb temave (‘Administer theme’), t\u00eb ngarkoj\u00eb nj\u00eb skedar phar t\u00eb d\u00ebmsh\u00ebm dhe t\u00eb arrij\u00eb ekzekutimin e kodit PHP t\u00eb vendosur n\u00eb t\u00eb, n\u00ebn mask\u00ebn e nj\u00eb arkivi legjitim phar. Kujtojm\u00eb se thelbi i sulmit «Phar deserialization» \u00ebsht\u00eb q\u00eb gjat\u00eb kontrollit t\u00eb skedar\u00ebve t\u00eb ngarkuar me ndihm\u00ebn e funksionit PHP file_exists(), ky funksion automatikisht ekzekuton deserializimin e metadatat nga skedar\u00ebt Phar (PHP Archive) gjat\u00eb trajtimit t\u00eb rrug\u00ebve q\u00eb fillojn\u00eb me «phar:\/\/». Transferimi i skedarit phar \u00ebsht\u00eb i mundur n\u00ebn petkun e nj\u00eb imazhi, p\u00ebr shkak se funksioni file_exists() p\u00ebrcakton tipin MIME sipas p\u00ebrmbajtjes dhe jo sipas shtrirjes.<\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 PharStreamWrapper, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 «Phar», \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2019-11831), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043e\u0431\u043e\u0439\u0442\u0438 \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u0434\u0435\u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043e\u0434\u0430 \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 «..» \u0432 \u043f\u0443\u0442\u0438. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0430\u0442\u0430\u043a\u0438 URL \u0432\u0438\u0434\u0430 «phar:\/\/\/path\/bad.phar\/..\/good.phar» \u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0432\u044b\u0434\u0435\u043b\u0438\u0442 \u043f\u0440\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0435 \u0431\u0430\u0437\u043e\u0432\u043e\u0435 \u0438\u043c\u044f «\/path\/good.phar», \u0445\u043e\u0442\u044f \u043f\u0440\u0438 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0433\u043e \u043f\u0443\u0442\u0438 \u0431\u0443\u0434\u0435\u0442 […]<\/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-33388","post","type-post","status-publish","format-standard","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\udd47Dob\u00ebsia n\u00eb bibliotek\u00ebn PharStreamWrapper, q\u00eb preku Drupal, Joomla dhe Typo3 | ProHoster","description":"N\u00eb bibliotek\u00ebn PharStreamWrapper, e cila ofron menaxher\u00eb p\u00ebr mbrojtjen nga sulmet q\u00eb p\u00ebrdorin z\u00ebvend\u00ebsimin e skedave n\u00eb formatin \"Phar\", \u00ebsht\u00eb identifikuar nj\u00eb dob\u00ebsi (CVE-2019-11831) q\u00eb lejon kalimin e mbrojtjes nga deserializimi i kodit p\u00ebrmes z\u00ebvend\u00ebsimit t\u00eb simboleve \"..\" n\u00eb rrug\u00eb. 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\u0431\u0443\u0434\u0435\u0442","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-biblioteke-pharstreamwrapper-zatragivayushhaya-drupal-joomla-i-typo3","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T18:52:18+00:00","article:modified_time":"2019-10-31T18:52:18+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"33388","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-21 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