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CVE-2024-5261— TLS certificate are not properly verified when utilizing LibreOfficeKit

Quick assessment

Affected
The Document Foundation LibreOffice
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibreOffice是文档基金会（The Document Foundation，tdf）的一套开源的办公软件套件。该产品包含Writer（文本文档）、Calc（电子表格）和Impress（演示文稿）等应用程序。 LibreOffice 24.2.4之前版本存在安全漏洞，该漏洞源于存在不正确的证书验证。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.43% · P35
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I. Basic Information for CVE-2024-5261

Vulnerability Information
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Vulnerability Title
TLS certificate are not properly verified when utilizing LibreOfficeKit
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Certificate Validation vulnerability in LibreOffice "LibreOfficeKit" mode disables TLS certification verification LibreOfficeKit can be used for accessing LibreOffice functionality through C/C++. Typically this is used by third party components to reuse LibreOffice as a library to convert, view or otherwise interact with documents. LibreOffice internally makes use of "curl" to fetch remote resources such as images hosted on webservers. In affected versions of LibreOffice, when used in LibreOfficeKit mode only, then curl's TLS certification verification was disabled (CURLOPT_SSL_VERIFYPEER of false) In the fixed versions curl operates in LibreOfficeKit mode the same as in standard mode with CURLOPT_SSL_VERIFYPEER of true. This issue affects LibreOffice before version 24.2.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
LibreOffice 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreOffice是文档基金会（The Document Foundation，tdf）的一套开源的办公软件套件。该产品包含Writer（文本文档）、Calc（电子表格）和Impress（演示文稿）等应用程序。 LibreOffice 24.2.4之前版本存在安全漏洞，该漏洞源于存在不正确的证书验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Document Foundation LibreOffice 24.2 ~ 24.2.4 -

II. Public POCs for CVE-2024-5261

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III. Intelligence Information for CVE-2024-5261

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Vendor Advisories for CVE-2024-5261 (1)

IV. Related Vulnerabilities

Same product: LibreOffice
Same vendor: The Document Foundation
Same weakness: CWE-295

V. Comments for CVE-2024-5261

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