Apache OpenOffice up to 4.1.14 DDE improper authorization

Summaryinfo

A vulnerability classified as critical has been found in Apache OpenOffice. This vulnerability affects unknown code of the component DDE Handler. The manipulation leads to improper authorization. This vulnerability is listed as CVE-2025-64405. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apache OpenOffice. This issue affects some unknown processing of the component DDE Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt. In the affected versions of Apache OpenOffice, Calc spreadsheet containing DDE links to external files would load the contents of those files without prompting the user for permission to do so. This issue affects Apache OpenOffice: through 4.1.15. Users are recommended to upgrade to version 4.1.16, which fixes the issue.

The advisory is shared at lists.apache.org. The identification of this vulnerability is CVE-2025-64405. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2025). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 4.1.16 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2577). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Apache OpenOffice

Productinfo

Type

• Office Suite Software

Vendor

• Apache

Name

• OpenOffice

Version

• 1.0.1
• 1.0.2
• 1.0.9221
• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.3 1
• 2.0.4
• 2.0beta
• 2.1
• 2.1.0
• 2.2
• 2.2.0
• 2.2.1
• 2.3
• 2.3.0
• 2.4.0
• 2.4.1
• 2.4.2
• 3.0.0
• 3.0.1
• 3.1.0
• 3.1.1
• 3.1.9420
• 3.2.0
• 3.2.1
• 3.3
• 3.3.0
• 3.3.9567
• 3.4
• 3.4.0
• 3.4.1
• 4.0
• 4.0.0
• 4.0.1
• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.8
• 4.1.10
• 4.1.11
• 4.1.13
• 4.1.14

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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