CVE-2021-25829

Published: Mar 1, 2021Modified: Nov 21, 2024

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An improper binary stream data handling issue was found in the [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. Using this bug, an attacker is able to produce a denial of service attack that can eventually shut down the target server.

Affected (1)

Products: Onlyoffice: Document Server

Onlyoffice

1 product

Document Server

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Onlyoffice Document Server	From 4.0.0-9 to 5.6.3

References (20)

https://github.com/ONLYOFFICE/DocumentServer

Source: cve@mitre.org

Product

https://github.com/ONLYOFFICE/core

Source: cve@mitre.org

ProductVendor Advisory

https://github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Comments.h#L299

Source: cve@mitre.org

Vendor Advisory

https://github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Core.h#L161

Source: cve@mitre.org

Vendor Advisory

https://github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/NotesMaster.h#L148

Source: cve@mitre.org

Vendor Advisory

https://github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/NotesSlide.h#L141

Source: cve@mitre.org

Vendor Advisory

https://github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Presentation.h#L277

Source: cve@mitre.org

Vendor Advisory

https://github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Theme.h#L277

Source: cve@mitre.org

Vendor Advisory

https://github.com/ONLYOFFICE/core/blob/v5.6.4.10/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L1722

Source: cve@mitre.org

Vendor Advisory

https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25829

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/ONLYOFFICE/DocumentServer