Kev txhais kom meej:
Qhov RCE Vulnerability (Remote Code Execution Vulnerability) yog dab tsi? #
Qhov tsis muaj zog ntawm Kev Ua Haujlwm Code Deb (RCE vulnerability) yog ib qho ntawm cov teeb meem kev ruaj ntseg tseem ceeb tshaj plaws hauv cov ntawv thov software. Qhov tsis muaj zog ntawm RCE tso cai rau tus neeg tawm tsam kom ua tiav cov lej tsis raug cai ntawm lub hom phiaj system deb, yam tsis tau tus neeg siv kev tso cai lossis kev paub. Thaum raug siv, qhov tsis muaj zog ntawm RCE tuaj yeem muab kev tswj hwm tag nrho rau cov neeg tawm tsam lub system uas raug cuam tshuam, ua rau lawv tuaj yeem nyiag cov ntaub ntawv rhiab heev, cuam tshuam cov kev pabcuam, xa cov malware, lossis nce cov cai thoob plaws tag nrho cov khoom siv. Qhov tsis muaj zog ntawm RCE yeej ib txwm yog cov teeb meem hnyav tshaj plaws hauv CVSS qhov system thiab yog cov chav kawm tsis muaj zog uas raug siv ntau tshaj plaws hauv kev tawm tsam tiag tiag.
Nyeem txog kev ua tau zoo Vulnerability Management.
Cov Txheej Txheem Siv Phom Ua Haujlwm Li Cas? #
Qhov tsis muaj zog RCE tshwm sim thaum ib daim ntawv thov tswj cov ntaub ntawv tsis ntseeg siab hauv txoj kev uas ua rau cov neeg tawm tsam txhaj tshuaj thiab ua tiav cov lej phemFeem ntau, qhov tsis muaj zog ntawm kev ua haujlwm ntawm cov lej nyob deb yog los ntawm kev siv cov lej tsis ruaj ntseg, kev lees paub cov ntaub ntawv tsis txaus, lossis teeb meem hauv kev vam khom ntawm cov neeg sab nraud. Hauv qab no koj yuav pom cov txheej txheem siv tsis raug cai feem ntau muaj xws li:
- Kev Txhaj Tshuaj: cov neeg tawm tsam tsim cov ntawv sau phem lossis cov lej ua haujlwm tau thiab txhaj rau hauv daim ntawv thov cov ntawv nkag, API endpoints, lossis lwm txoj kev sib txuas lus.
- Tus tua: lub app uas tsis muaj zog txhais lossis ua yuam kev qhov payload uas tau txhaj, tso cai rau cov neeg tawm tsam tswj hwm, tswj hwm cov haujlwm tshwj xeeb lossis txawm tias tag nrho lub kaw lus.
- Qhov cuam tshuam: nyob ntawm seb hom kev siv tsis raug, cov neeg tawm tsam tuaj yeem nce qib cov cai, nruab malware, rho tawm cov ntaub ntawv rhiab heev, lossis txawm tias cuam tshuam rau kev ua haujlwm ntawm lub system.
Saib peb cov blog post series ntawm PPE & I-PPE
Cov Ua Rau Muaj Kev Tsis Muaj Zog ntawm RCE #
Kev nkag siab txog cov hauv paus ntawm RCE qhov tsis muaj zog yog qhov tseem ceeb rau kev tiv thaiv. Cov ua rau feem ntau muaj xws li:
Tsis muaj kev lees paub cov ntaub ntawv nkagThaum cov ntaub ntawv nkag los ntawm tus neeg siv tsis raug lees paub lossis ntxuav kom huv si, cov neeg tawm tsam tuaj yeem siv qhov tsis muaj zog no los txhaj cov lej phem ncaj qha rau hauv daim ntawv thov.
Kev tshem tawm tsis ruaj ntsegCov ntawv thov uas deserialize cov ntaub ntawv tsis ntseeg siab yam tsis muaj kev lees paub tshwj xeeb tshaj yog qhov yooj yim rau RCE tawm tsam, vim tias cov payloads phem tuaj yeem raug embedded rau hauv cov khoom serialized.
Cov khoom siv software uas tsis siv lawmCov teeb meem hauv cov tsev qiv ntawv sab nraud lossis cov kev vam khom qhib uas siv los ntawm daim ntawv thov tuaj yeem ua rau nws muaj kev pheej hmoo RCE, tshwj xeeb yog tias cov kho tsis raug siv sai.
Kev teeb tsa tsis raugKev teeb tsa tsis raug hauv cov web servers, APIs, lossis runtime environments tuaj yeem tsim txoj hauv kev rau cov neeg tawm tsam kom ua tiav cov lej tsis raug cai.
Cov teeb meem nco uas siv tsis tauCov ntaub ntawv tsis txaus, kev puas tsuaj ntawm lub cim xeeb, lossis kev siv tsis muaj kev nyab xeeb ntawm cov haujlwm ntawm lub system tuaj yeem tso cai rau cov neeg tawm tsam txhaj tshuaj thiab khiav cov lej tsis raug cai ntawm theem operating system.
Cov txiaj ntsig ntawm RCE Qhov Tsis Zoo #
Cov txiaj ntsig ntawm qhov tsis muaj zog RCE nyob ntawm qhov dav ntawm lub kaw lus siv tab sis feem ntau suav nrog:
Cov Ntawv Qhia Tawm: Cov neeg tawm tsam tuaj yeem nkag mus, hloov kho, lossis nyiag cov ntaub ntawv rhiab heev uas khaws cia rau hauv lub kaw lus raug cuam tshuam.
Kev cuam tshuam kev pabcuam: Cov kev siv tsis zoo ntawm RCE tuaj yeem ua rau lub sijhawm tsis ua haujlwm, cuam tshuam cov kev pabcuam, lossis ua rau muaj kev tsis lees paub cov kev pabcuam.
Malware Deployment: Cov neeg tawm tsam tuaj yeem teeb tsa backdoors, ransomware, lossis lwm yam software phem rau ntawm lub system.
Reputational Damage: Cov koom haum uas raug cuam tshuam los ntawm RCE qhov tsis muaj zog feem ntau ntsib kev tshuaj xyuas pej xeem, poob kev ntseeg siab ntawm cov neeg siv khoom, thiab tej zaum yuav muaj kev lav phib xaub raws li txoj cai.
Kev poob nyiaj txiag: Kev rov qab tau cov ntaub ntawv, kev nplua nyiaj raws li txoj cai, thiab kev cuam tshuam kev ua haujlwm tuaj yeem ua rau muaj kev cuam tshuam nyiaj txiag loj heev.
Yuav Ua Li Cas Tiv Thaiv RCE Qhov Tsis Zoo #
Kev txo qhov tsis muaj zog ntawm RCE yuav tsum muaj kev sib xyaw ua ke ntawm kev coj ua kom muaj kev nyab xeeb thiab kev tiv thaiv lub sijhawm ua haujlwm:
Kev lees paub cov ntaub ntawv nkag thiab kev ntxuav kom huvXyuas kom tseeb tias txhua qhov inputs raug ntxuav kom huv si kom tiv thaiv kev nkag mus rau cov code phem. Siv cov tsev qiv ntawv thiab cov frameworks ruaj ntseg rau kev tswj cov inputs thoob plaws txhua qhov nkag mus rau daim ntawv thov.
Cov kev coj ua coding ruaj ntsegSiv cov lus qhia txog kev ruaj ntseg ntawm kev siv code kom txo qhov tsis muaj zog txij thaum pib. SAST (Kev Ntsuas Kev Ruaj Ntseg ntawm Daim Ntawv Thov Static) thiab DAST (Kev Ntsuas Kev Ruaj Ntseg ntawm Daim Ntawv Thov Dynamic) cov cuab yeej los txheeb xyuas cov teeb meem RCE thaum lub sijhawm tsim kho thiab thaum lub sijhawm khiav.
Patch tswjTsis tu ncua hloov kho cov software, cov tsev qiv ntawv, thiab cov open-source dependencies kom daws tau qhov teeb meem RCE uas paub ua ntej lawv tuaj yeem raug siv tsis raug.
Kev tiv thaiv kev tshem tawm cov ntaub ntawvTsis txhob siv cov serialization frameworks uas muaj kev ruaj ntseg los tiv thaiv kev tawm tsam los ntawm kev txhaj tshuaj.
Kev tiv thaiv lub sijhawm khiavSiv cov kev daws teeb meem runtime application self-protection (RASP) los nrhiav thiab tiv thaiv kev ua haujlwm phem hauv cov chaw nyob.
Kev siv txoj cai tsawg tshaj plawsTxwv cov kev tso cai ntawm lub kaw lus thiab siv txoj cai ntawm qhov tsawg tshaj plaws kom txo qhov tawg ntawm qhov kev siv RCE zoo.
Software supply chain securitySaib xyuas qhov kev vam khom qhib-qhov chaw rau cov qhov tsis zoo RCE thiab cov khoom phem siv SCA cov cuab yeej nrog kev tshawb pom malware tiag tiag, txij li thaum kev tawm tsam ntawm cov khoom siv siv RCE theem kev vam khom ua qhov nkag.
Vim li cas RCE Qhov Tsis Muaj Zog yog qhov tseem ceeb rau Cov Thawj Coj Kev Ruaj Ntseg thiab Cov Pab Pawg DevSecOps? #
Qhov tsis muaj zog ntawm Kev Ua Haujlwm Code Nyob Deb yog ib qho ntawm cov kev hem thawj loj tshaj plaws rau cov ntawv thov niaj hnub no. Lawv lub peev xwm tso cai rau cov neeg tawm tsam ua cov lej phem nyob deb, feem ntau ua rau muaj kev ua txhaum cai ntawm cov ntaub ntawv, kev cuam tshuam kev pabcuam, thiab kev poob nyiaj txiag, ua rau kev ruaj ntseg ruaj khov yog qhov tsim nyog, tsis yog ib qho kev xaiv.
Rau cov pab pawg DevSecOps, qhov tsis muaj zog ntawm RCE yog qhov tseem ceeb heev vim tias lawv tuaj yeem qhia tau ntau lub sijhawm hauv lub voj voog kev tsim kho software: hauv cov lej tshwj xeeb, hauv kev vam khom qhib, hauv CI/CD pipeline kev teeb tsa, thiab hauv cov qauv infrastructure-as-code. Ib qho kev tsis zoo ntawm RCE uas tsis tau kho hauv lub tsev qiv ntawv sab nraud tuaj yeem ua rau pom tag nrho lub koom haum qhov chaw tsim khoom.
Xygeni pab cov pab pawg kev ruaj ntseg thiab cov kws tsim kho txheeb xyuas, muab qhov tseem ceeb, thiab kho qhov tsis muaj zog ntawm RCE thoob plaws tag nrho SDLC (kev sib xyaw ua ke SAST, SCA, DAST, thiab kev tshawb pom malware tiag tiag hauv ib lub platform, yog li cov pab pawg tuaj yeem tsom mus rau qhov tsis muaj zog uas ua rau muaj kev pheej hmoo tiag tiag, siv tsis tau.
