CVE-2019-9853— LibreOffice 安全漏洞

Insufficient URL decoding flaw in categorizing macro location

LibreOffice documents can contain macros. The execution of those macros is controlled by the document security settings, typically execution of macros are blocked by default. A URL decoding flaw existed in how the urls to the macros within the document were processed and categorized, resulting in the possibility to construct a document where macro execution bypassed the security settings. The documents were correctly detected as containing macros, and prompted the user to their existence within the documents, but macros within the document were subsequently not controlled by the security settings allowing arbitrary macro execution This issue affects: LibreOffice 6.2 series versions prior to 6.2.7; LibreOffice 6.3 series versions prior to 6.3.1.

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对输出编码和转义不恰当

LibreOffice 安全漏洞

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 6.2.7之前的6.2版本和6.3.1之前的6.3版本中存在安全漏洞。攻击者可利用该漏洞绕过安全限制，执行任意宏。

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