NVD Vulnerability Detail

CVE-2021-25832

Summary	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.
Publication Date	March 2, 2021, 1:15 a.m.
Registration Date	March 2, 2021, 10:02 a.m.
Last Update	Nov. 21, 2024, 2:55 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:onlyoffice:document_server::::::::		4.0.0-9	6.0.0

Related information, measures and tools

No	URL	タグ
1	https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832	Exploit Third Party Advisory
2	https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25832	Exploit Third Party Advisory
3	https://github.com/ONLYOFFICE/core	Product Vendor Advisory
4	https://github.com/ONLYOFFICE/core	Product Vendor Advisory
5	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424	Vendor Advisory
6	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424	Vendor Advisory
7	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428	Vendor Advisory
8	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428	Vendor Advisory
9	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354	Vendor Advisory
10	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354	Vendor Advisory
11	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358	Vendor Advisory
12	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358	Vendor Advisory
13	https://github.com/ONLYOFFICE/DocumentServer	Product
14	https://github.com/ONLYOFFICE/DocumentServer	Product

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-787	境界外書き込み	https://cwe.mitre.org/data/definitions/787.html

JVN Vulnerability Information

ONLYOFFICE DocumentServer における境界外書き込みに関する脆弱性

Title	ONLYOFFICE DocumentServer における境界外書き込みに関する脆弱性
Summary	ONLYOFFICE DocumentServer には、境界外書き込みに関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	March 1, 2021, midnight
Registration Date	Nov. 18, 2021, 5:47 p.m.
Last Update	Nov. 18, 2021, 5:47 p.m.

Affected System

ONLYOFFICE

Document Server 4.0.0-9 から 6.0.0

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2021-25832	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25832
National Vulnerability Database (NVD)
2	CVE-2021-25832	https://nvd.nist.gov/vuln/detail/CVE-2021-25832

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-787	https://cwe.mitre.org/data/definitions/787.html

ベンダー情報

No	Name	URL
GitHub
1	BinaryFileReaderWriter.cpp (#L424)	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L424
2	BinaryFileReaderWriter.cpp (#L428)	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L428
3	ONLYOFFICE/core	https://github.com/ONLYOFFICE/core
4	ONLYOFFICE/DocumentServer	https://github.com/ONLYOFFICE/DocumentServer
5	ximabmp.cpp (#L354)	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L354
6	ximabmp.cpp (#L358)	https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/DesktopEditor/cximage/CxImage/ximabmp.cpp#L358

Change Log

No	Changed Details	Date of change
1	[2021年11月18日] 掲載	Nov. 18, 2021, 5:47 p.m.