Video: Dab tsi yog qhov txuas txuas mus rau qhov chaw scripting?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov tsis tu ncua (los yog khaws cia) XSS vulnerability yog ib tug ntau ntsoog variant ntawm a ntoo khaub lig - site scripting flaw: nws tshwm sim thaum cov ntaub ntawv muab los ntawm tus neeg tawm tsam tau txais kev cawmdim los ntawm tus neeg rau zaub mov, thiab tom qab ntawd tso tawm mus tas li ntawm nplooj ntawv "ib txwm" rov qab mus rau lwm tus neeg siv nyob rau hauv chav kawm ntawm kev tshawb nrhiav tsis tu ncua, tsis muaj HTML escaping.
Ib yam li ntawd, tib neeg nug, Cross Site Scripting piv txwv yog dab tsi?
Txheej txheem cej luam. Hla - Site Scripting ( XSS ) kev tawm tsam yog ib hom kev txhaj tshuaj, uas cov ntawv tsis zoo raug txhaj rau hauv lwm yam benign thiab ntseeg tau. cov vev xaib . XSS Kev tawm tsam tshwm sim thaum tus neeg tawm tsam siv lub vev xaib thov xa cov lej tsis zoo, feem ntau nyob rau hauv daim ntawv ntawm tus browser sab sau ntawv, mus rau lwm tus neeg siv kawg.
Ib yam li ntawd, cross site scripting yog dab tsi thiab yuav tiv thaiv li cas? Thawj txoj kev koj ua tau thiab yuav tsum siv tiv thaiv XSS vulnerabilities los ntawm tshwm nyob rau hauv koj daim ntawv thov yog los ntawm escaping neeg siv tswv yim. Los ntawm kev khiav tawm cov neeg siv tswv yim, cov cim tseem ceeb hauv cov ntaub ntawv tau txais los ntawm lub vev xaib paj yuav ua tiv thaiv los ntawm kev txhais nyob rau hauv txhua txoj kev phem.
Tsis tas li nug, qhov txawv ntawm qhov tsis tu ncua thiab tsis tas li ntawm qhov chaw scripting tawm tsam?
Tsis yog - persistent XSS - lub ntsiab txawv yog tias daim ntawv thov lub vev xaib tsis khaws cov tswv yim tsis zoo hauv database. Ib rooj plaub tshwj xeeb ntawm tsis yog - persistent XSS yog hu ua - hom kev tawm tsam no ua tiav yam tsis tau xa ib qho DOM-raws li XSS thov rau lub web server. Tus attacker txhaj JavaScript code ncaj qha.
Cross site scripting ua haujlwm li cas?
Hla - site scripting ua haujlwm los ntawm kev tswj hwm lub vev xaib yooj yim qhov chaw kom nws rov ua phem JavaScript rau cov neeg siv. Thaum lub siab phem code executes nyob rau hauv ib tug neeg raug tsim txom browser, tus attacker muaj peev xwm tag nrho cov cuam tshuam lawv kev sib raug zoo nrog rau daim ntawv thov.
Pom zoo:
Qhov txawv ntawm qhov chaw nyob thiab qhov chaw nyob yog dab tsi?
Qee zaum, 'txoj kev chaw nyob' hais txog koj lub cev qhov chaw nyob ntawm qib zoo dua hauv nroog. Piv txwv li, '1313Mockingbird Lane', tsis muaj lub nroog lub npe txuas nrog. Tab sis yog, feem ntau nws tsuas yog ib daim ntawv rov qab kom paub qhov txawv ntawm qhov chaw xa ntawv (thaum chiv keeb) thiab tam sim no e-mail chaw nyob, chaw nyob hauv web, IPaddress, thiab lwm yam
Dab tsi yog tag nrho cov kab kev sib txuas lus uas xav tau rau kev sib txuas tag nrho rau taw tes network ntawm tsib lub khoos phis tawj rau lub khoos phis tawj?
Tus naj npawb ntawm cov kab sib txuas lus uas yuav tsum tau muaj rau kev sib txuas tag nrho ntawm qhov taw tes rau-taw tes ntawm yim lub khoos phis tawj yog nees nkaum yim. Ib tug tag nrho txuas cuaj lub computer network yuav tsum tau peb caug rau kab. Ib tug tag nrho txuas kaum lub computer network yuav tsum tau plaub caug tsib kab
Qhov chaw nyob ntawm lub cev thiab qhov chaw nyob qhov chaw nyob yog dab tsi?
Qhov sib txawv yooj yim ntawm Logical thiab lub cev chaw nyob yog qhov chaw nyob Logical yog tsim los ntawm CPU hauv kev xav ntawm ib qho kev pab cuam. Ntawm qhov tod tes, qhov chaw nyob ntawm lub cev yog qhov chaw nyob uas muaj nyob hauv lub cim xeeb. Cov txheej txheem ntawm txhua qhov chaw nyob uas tsim los ntawm CPU fora program hu ua Logical Address Space
Qhov txawv ntawm qhov chaw kub thiab qhov chaw txias yog dab tsi?
Thaum lub chaw kub kub yog ib daim qauv ntawm cov chaw khaws ntaub ntawv nrog tag nrho koj cov khoom siv kho vajtse thiab software ua haujlwm nrog koj lub xaib thawj zaug, qhov chaw txias tau muab tshem tawm - tsis muaj server hardware, tsis muaj software, tsis muaj dab tsi. Kuj tseem muaj qhov chaw sov uas nyob nruab nrab ntawm qhov chaw kub thiab qhov chaw txias los ntawm cov khoom siv
Qhov txawv ntawm qhov chaw nyob sib txuas lus thiab qhov chaw nyob ruaj khov yog dab tsi?
Qhov chaw nyob xa ntawv yog chaw nyob sib txuas lus piv txwv li qhov koj nyob tam sim no. & chaw nyob Apermanent yog ntawm koj cov ntaub ntawv yog sau rau ntawm koj daim ntawv pov thawj hnub yug & daim npav pov npav. Qhov chaw nyob ruaj khov & kev sau ntawv yuav zoo ib yam lossis txawv ntawm cov ntaub ntawv siv tau