Unrated severityNVD Advisory· Published Mar 1, 2021· Updated Aug 3, 2024
CVE-2021-25829
CVE-2021-25829
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- ONLYOFFICE/DocumentServerdescription
- Range: <=5.6.3
Patches
Vulnerability mechanics
References
8- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Comments.hmitrex_refsource_MISC
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Core.hmitrex_refsource_MISC
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/NotesMaster.hmitrex_refsource_MISC
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/NotesSlide.hmitrex_refsource_MISC
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Presentation.hmitrex_refsource_MISC
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5fdb10fc63cf5fd6a/ASCOfficePPTXFile/PPTXFormat/Theme.hmitrex_refsource_MISC
- github.com/ONLYOFFICE/core/blob/v5.6.4.10/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cppmitrex_refsource_MISC
- github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25829mitrex_refsource_MISC
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