{"id":32934,"date":"2019-10-31T21:49:47","date_gmt":"2019-10-31T18:49:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla\/"},"modified":"2019-10-31T21:49:47","modified_gmt":"2019-10-31T18:49:47","slug":"vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla","title":{"rendered":"V\u0161echny dopl\u0148ky pro Firefox byly zak\u00e1z\u00e1ny kv\u016fli vypr\u0161en\u00ed platnosti certifik\u00e1tu Mozilla","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Mozilla varovala<\/a><\/noindex> o vzniku masov\u00fdch probl\u00e9mech<\/a><\/noindex> s dopl\u0148ky k Firefoxu. U v\u0161ech u\u017eivatel\u016f prohl\u00ed\u017ee\u010de byly dopl\u0148ky zablokov\u00e1ny z d\u016fvodu vypr\u0161en\u00ed platnosti certifik\u00e1tu pou\u017eit\u00fdm pro vytv\u00e1\u0159en\u00ed digit\u00e1ln\u00edch podpis\u016f. Krom\u011b toho je znemo\u017en\u011bna instalace nov\u00fdch dopl\u0148k\u016f z ofici\u00e1ln\u00edho katalogu AMO<\/a><\/noindex> (addons.mozilla.org). <\/p>\n

V\u00fdchodisko z nastal\u00e9 situace zat\u00edm nena\u0161lo<\/a><\/noindex>, v\u00fdvoj\u00e1\u0159i Mozilly zva\u017euj\u00ed mo\u017en\u00e9 varianty opravy a zat\u00edm se omezili pouze na obecn\u00e9 potvrzen\u00ed nastal\u00e9 situace. Zmi\u0148uje se pouze, \u017ee dopl\u0148ky se staly neaktivn\u00edmi po uplynut\u00ed 0 hodin (UTC) 4. kv\u011btna. Certifik\u00e1t m\u011bl b\u00fdt aktualizov\u00e1n p\u0159ed t\u00fddnem, ale z n\u011bjak\u00e9ho d\u016fvodu se tak nestalo a tento fakt z\u016fstal nen\u00e1padn\u00fd. Nyn\u00ed se n\u011bkolik minut po spu\u0161t\u011bn\u00ed prohl\u00ed\u017ee\u010de zobrazuje varov\u00e1n\u00ed o vypnut\u00ed dopl\u0148k\u016f kv\u016fli probl\u00e9m\u016fm s digit\u00e1ln\u00edm podpisem a dopl\u0148ky zmiz\u00ed ze seznamu. Kontrola digit\u00e1ln\u00edho podpisu se prov\u00e1d\u00ed jednou denn\u011b nebo po spu\u0161t\u011bn\u00ed prohl\u00ed\u017ee\u010de, tak\u017ee u dlouho spu\u0161t\u011bn\u00fdch instanc\u00ed Firefoxu se dopl\u0148ky nemus\u00ed okam\u017eit\u011b vypnout.<\/p>\n

\"V\u0161echny<\/a><\/noindex><\/center><\/p>\n

Jako obchvat pro obnoven\u00ed p\u0159\u00edstupu k dopl\u0148k\u016fm mohou u\u017eivatel\u00e9 Linuxu vypnout kontrolu digit\u00e1ln\u00edho podpisu nastaven\u00edm prom\u011bnn\u00e9 «xpinstall.signatures.required» na hodnotu «false» v about:config. Tato metoda funguje pro stabiln\u00ed a beta verze pouze na Linuxu a Androidu, pro Windows a macOS je podobn\u00e1 manipulace mo\u017en\u00e1 pouze v no\u010dn\u00edch sestaven\u00edch a v verzi pro v\u00fdvoj\u00e1\u0159e (Developer Edition). Alternativn\u011b lze tak\u00e9 zm\u011bnit hodnotu syst\u00e9mov\u00e9ho \u010dasu na \u010das p\u0159ed vypr\u0161en\u00edm platnosti certifik\u00e1tu, \u010d\u00edm\u017e se obnov\u00ed mo\u017enost instalace dopl\u0148k\u016f z katalogu AMO, ale ji\u017e nainstalovan\u00e9 ozna\u010den\u00ed pro vypnut\u00ed se nesma\u017ee.<\/p>\n

P\u0159ipome\u0148me, \u017ee povinn\u00e1 kontrola dopl\u0148k\u016f Firefoxu podle digit\u00e1ln\u00edch podpis\u016f byla zavedena<\/a><\/noindex> v dubnu 2016. Podle n\u00e1zoru Mozilly umo\u017e\u0148uje kontrola podle digit\u00e1ln\u00edch podpis\u016f blokovat \u0161\u00ed\u0159en\u00ed \u0161kodliv\u00fdch a \u0161pehovac\u00edch dopl\u0148k\u016f. N\u011bkte\u0159\u00ed v\u00fdvoj\u00e1\u0159i dopl\u0148k\u016f nesouhlas\u00ed<\/a><\/noindex> s t\u00edmto postojem se domn\u00edvaj\u00ed, \u017ee mechanismus povinn\u00e9 kontroly prost\u0159ednictv\u00edm digit\u00e1ln\u00edho podpisu vytv\u00e1\u0159\u00ed pouze komplikace pro v\u00fdvoj\u00e1\u0159e a prodlu\u017euje \u010das uveden\u00ed oprav na trh, ani\u017e by to n\u011bjak ovlivnilo bezpe\u010dnost. Existuje mnoho trivi\u00e1ln\u00edch a z\u0159ejm\u00fdch postup\u016f<\/a><\/noindex> pro obch\u00e1zen\u00ed automatizovan\u00e9ho syst\u00e9mu kontroly dopl\u0148k\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed nen\u00e1padn\u011b vlo\u017eit \u0161kodliv\u00fd k\u00f3d, nap\u0159\u00edklad vytvo\u0159en\u00edm operace za b\u011bhu spojen\u00edm n\u011bkolika \u0159et\u011bzc\u016f a n\u00e1sledn\u00fdm proveden\u00edm v\u00fdsledn\u00e9ho \u0159et\u011bzce pomoc\u00ed eval. Postoj Mozilla se shrnuje<\/a><\/noindex> do toho, \u017ee v\u011bt\u0161ina autor\u016f \u0161kodliv\u00fdch dopl\u0148k\u016f je leniv\u00e1 a nebude pou\u017e\u00edvat podobn\u00e9 techniky skr\u00fdv\u00e1n\u00ed \u0161kodliv\u00fdch aktivit. <\/p>\n

Dopln\u011bk: V\u00fdvoj\u00e1\u0159i Mozilla ozn\u00e1mili<\/a><\/noindex> o zah\u00e1jen\u00ed testov\u00e1n\u00ed opravy, kter\u00e1, pokud bude \u00fasp\u011b\u0161n\u011b ov\u011b\u0159ena, bude brzy p\u0159ed\u00e1na u\u017eivatel\u016fm (rozhodnut\u00ed o pou\u017eit\u00ed navrhovan\u00e9 opravy je\u0161t\u011b nebylo p\u0159ijato). P\u0159ed aplikac\u00ed opravy je vytv\u00e1\u0159en\u00ed digit\u00e1ln\u00edch podpis\u016f pro nov\u00e9 dopl\u0148ky vypnuto.<\/p>\n

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

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

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\u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u043d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043d\u043e\u0432\u044b\u0445 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u0438\u0437 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 AMO (addons.mozilla.org). \u0412\u044b\u0445\u043e\u0434 \u0438\u0437 \u0441\u043b\u043e\u0436\u0438\u0432\u0448\u0435\u0439\u0441\u044f \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u043f\u043e\u043a\u0430 \u043d\u0435 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