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CVE-2021-25830
CRITICAL9.8
Descricao
A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13. An attacker must request the conversion of the crafted file from DOCT into DOCX format. Using the chain of two other bugs related to improper string handling, an attacker can achieve remote code execution on DocumentServer.
Detalhes CVE
Pontuacao CVSS v3.19.8
SeveridadeCRITICAL
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioNONE
Publicado3/1/2021
Ultima modificacao11/21/2024
Fontenvd
Avistamentos honeypot0
Produtos afetados
onlyoffice:document_server
Referencias
https://github.com/ONLYOFFICE/DocumentServer(cve@mitre.org)
https://github.com/ONLYOFFICE/core(cve@mitre.org)
https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L1918(cve@mitre.org)
https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L241(cve@mitre.org)
https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/PPTXFormat/Logic/UniFill.cpp#L343(cve@mitre.org)
https://github.com/ONLYOFFICE/DocumentServer(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ONLYOFFICE/core(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L1918(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L241(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/PPTXFormat/Logic/UniFill.cpp#L343(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25830(af854a3a-2127-422b-91ae-364da2661108)
Correlacoes IOC
Sem correlacoes registradas
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