{"id":183970,"date":"2026-10-23T11:41:04","date_gmt":"2026-10-23T09:41:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/dlya-uyazvimostej-php2shell-anonsirovan-pervyj-eksploit-obhodyashhij-randomizacziyu-adresov"},"modified":"2026-10-23T11:41:09","modified_gmt":"2026-10-23T09:41:09","slug":"first-exploit-bypassing-address-randomization-announced-for-php2shell-vulnerabilities","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/first-exploit-bypassing-address-randomization-announced-for-php2shell-vulnerabilities","title":{"rendered":"Pro zranitelnosti PHP2Shell byl ozn\u00e1men prvn\u00ed exploit, kter\u00fd obch\u00e1z\u00ed randomizaci adres\u016f","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdzkumn\u00edci z firmy VulnCheck ozn\u00e1mili, \u017ee z\u00edskali prvn\u00ed exploit pro zranitelnost PHP2Shell (CVE-2026-109618b), kter\u00fd obch\u00e1z\u00ed mechanismus randomizace adres (ASLR) na syst\u00e9mech x86-64 s standardn\u00ed konfigurac\u00ed PHP. Exploit umo\u017e\u0148uje \u00fatok na syst\u00e9my s PHP 8.4.10-8.4.26 v z\u00e1kladn\u00ed konfiguraci. D\u0159\u00edve komplikovala identifikaci rozlo\u017een\u00ed pam\u011bti v modulu mod_php realizaci exploitu, kter\u00fd by umo\u017enil proveden\u00ed k\u00f3du na re\u00e1ln\u00fdch syst\u00e9mech. K obch\u00e1zen\u00ed ASLR se v exploitu vyu\u017e\u00edv\u00e1 \u00fanik informac\u00ed o adres\u00e1ch ve v\u00fdpisu chybov\u00fdch hl\u00e1\u0161en\u00ed. <\/p>\n

Je zd\u011bleno, \u017ee p\u0159\u00edstup k funk\u010dn\u00edmu exploit se poskytuje pouze klient\u016fm, kte\u0159\u00ed se zab\u00fdvaj\u00ed ochranou informac\u00ed, ale \u00fato\u010dn\u00edci mohou techniku pou\u017e\u00edt znovu pomoc\u00ed AI. Pro obch\u00e1zen\u00ed blokov\u00e1n\u00ed \u00faniku informac\u00ed o rozlo\u017een\u00ed adres je t\u0159eba v php.ini nastavit parametr «display_errors=off», krom\u011b d\u0159\u00edve zve\u0159ejn\u011bn\u00fdch doporu\u010den\u00ed. VulnCheck tak\u00e9 zmi\u0148uje, \u017ee na GitHubu se objevily stovky prototyp\u016f exploit\u016f, ale pouze n\u011bkolik bylo hodnoceno jako funk\u010dn\u00ed a pouze jeden prototyp dok\u00e1zal obej\u00edt ASLR.<\/p>\n

Krom\u011b toho \u0159editel Cloudflare uvedl, \u017ee spole\u010dnost zaznamen\u00e1v\u00e1 miliony pokus\u016f o vyu\u017eit\u00ed zranitelnosti PHP2Shell, p\u0159i\u010dem\u017e 10 hodin p\u0159ed ozn\u00e1men\u00edm o existenci zranitelnost\u00ed jich bylo ji\u017e tis\u00edce a dv\u011b hodiny po ofici\u00e1ln\u00edm odhalen\u00ed dos\u00e1hly stovek tis\u00edc. Zd\u00e1 se, \u017ee p\u0159i \u00fatoc\u00edch jsou pou\u017e\u00edv\u00e1ny prototypy exploit\u016f, kter\u00e9 pouze potvrzuj\u00ed p\u0159\u00edtomnost zraniteln\u00fdch verz\u00ed PHP, proto\u017ee dosud nejsou informace o potvrzen\u00fdch p\u0159\u00edpadech \u00fatok\u016f skrze zranitelnosti PHP2Shell.<\/p>\n

Podle dat spole\u010dnosti Amazon byly prvn\u00ed pokusy o exploitaci zaznamen\u00e1ny nasazen\u00fdmi honeypot syst\u00e9my ji\u017e 17. \u0159\u00edjna, tedy t\u0159i dny p\u0159ed \u00fanikem prvn\u00edch \u00fadaj\u016f o CVE identifik\u00e1torech. Aktivita se zv\u00fd\u0161ila 21. \u0159\u00edjna, dvan\u00e1ct hodin p\u0159ed publikov\u00e1n\u00edm opravuj\u00edc\u00ed aktualizace PHP, kdy byl zaznamen\u00e1n pokus o \u00fatok s vyu\u017eit\u00edm n\u011bkolika variant prototyp\u016f exploit\u016f. Pokusy o \u00fatoky p\u0159ed ofici\u00e1ln\u00edm odhalen\u00edm informac\u00ed tak\u00e9 zaznamenala spole\u010dnost Hadrian.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 VulnCheck \u0437\u0430\u044f\u0432\u0438\u043b\u0438 \u043e \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0438 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u0430 \u0434\u043b\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 PHP2Shell (CVE-2026-109618\u0431), \u043e\u0431\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u0440\u0430\u043d\u0434\u043e\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0430\u0434\u0440\u0435\u0441\u043e\u0432 (ASLR) \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 x86-64 \u0441 \u0442\u0438\u043f\u043e\u0432\u043e\u0439 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0435\u0439 PHP. \u042d\u043a\u0441\u043f\u043b\u043e\u0438\u0442 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\u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u0414\u043b\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183970","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\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\udd47Byl ozn\u00e1men prvn\u00ed exploit pro zranitelnosti PHP2Shell, kter\u00fd obch\u00e1z\u00ed randomizaci adres\u016f | ProHoster","description":"V\u00fdzkumn\u00edci z firmy VulnCheck ozn\u00e1mili, \u017ee z\u00edskali prvn\u00ed exploit pro zranitelnost PHP2Shell (CVE-2026-109618b), kter\u00fd obch\u00e1z\u00ed mechanismus randomizace adres (ASLR) na syst\u00e9mech x86-64 s standardn\u00ed konfigurac\u00ed PHP.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/first-exploit-bypassing-address-randomization-announced-for-php2shell-vulnerabilities","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u0414\u043b\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 PHP2Shell \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043d \u043f\u0435\u0440\u0432\u044b\u0439 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PHP.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/first-exploit-bypassing-address-randomization-announced-for-php2shell-vulnerabilities","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":"2026-10-23T09:41:04+00:00","article:modified_time":"2026-10-23T09:41:09+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/183970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=183970"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/183970\/revisions"}],"predecessor-version":[{"id":183971,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/183970\/revisions\/183971"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=183970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=183970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=183970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}