← Volver a CVEs

CVE-2021-25830

CRITICAL

9.8

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.19.8

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/1/2021

Ultima modificacion11/21/2024

Fuentenvd

Avistamientos honeypot0

Productos afectados

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/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25830(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)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.