CVE-2019-9847— Executable hyperlink targets executed unconditionally on activation
Quick assessment
Affected
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。 基于Window和macOS平台的LibreOffice 6.1.6之前版本和6.2.3之前的6.2.X版本中存在安全漏洞，该漏洞源于程序无法判断超链接所指向的是否为可执行文件。攻击者可利用该漏洞执行可执行文件。
Possible ATT&CK Techniques 3 AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution T1204 · User Execution
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I. Basic Information for CVE-2019-9847
Vulnerability Information
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Vulnerability Title
Executable hyperlink targets executed unconditionally on activation
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in LibreOffice hyperlink processing allows an attacker to construct documents containing hyperlinks pointing to the location of an executable on the target users file system. If the hyperlink is activated by the victim the executable target is unconditionally launched. Under Windows and macOS when processing a hyperlink target explicitly activated by the user there was no judgment made on whether the target was an executable file, so such executable targets were launched unconditionally. This issue affects: All LibreOffice Windows and macOS versions prior to 6.1.6; LibreOffice Windows and macOS versions in the 6.2 series prior to 6.2.3.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
LibreOffice 输入验证错误漏洞
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。 基于Window和macOS平台的LibreOffice 6.1.6之前版本和6.2.3之前的6.2.X版本中存在安全漏洞，该漏洞源于程序无法判断超链接所指向的是否为可执行文件。攻击者可利用该漏洞执行可执行文件。
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 |
|---|---|---|---|---|
| Document Foundation | LibreOffice | unspecified ~ 6.1.6 | - |
|
II. Public POCs for CVE-2019-9847
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2019-9847 (1)
-
https://www.libreoffice.org/about-us/security/advisories/cve-2019-9847/ x_refsource_CONFIRM
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V. Comments for CVE-2019-9847
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