CVE-2021-25832

A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0. Using this vulnerability, an attacker is able to gain remote code executions on DocumentServer.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ONLYOFFICE/core	Product Vendor Advisory
https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354	Vendor Advisory
https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424	Vendor Advisory
https://github.com/ONLYOFFICE/DocumentServer	Product
https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358	Vendor Advisory
https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428	Vendor Advisory
https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832	Exploit Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*

Information

Published : 2021-03-01 08:15

Updated : 2021-03-15 12:53

NVD link : CVE-2021-25832

Mitre link : CVE-2021-25832

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Advertisement

Products Affected

onlyoffice

document_server

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/ONLYOFFICE/core", "name": "https://github.com/ONLYOFFICE/core", "tags": ["Product", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354", "name": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424", "name": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/ONLYOFFICE/DocumentServer", "name": "https://github.com/ONLYOFFICE/DocumentServer", "tags": ["Product"], "refsource": "MISC"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358", "name": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428", "name": "https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832", "name": "https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0. Using this vulnerability, an attacker is able to gain remote code executions on DocumentServer."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-25832", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2021-03-01T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "6.0.0", "versionStartIncluding": "4.0.0-9"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-03-15T19:53Z"}