CVE-2019-9853 — Insufficient URL decoding flaw in categorizing macro location

Affected: Document Foundation LibreOffice

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.

USN-4102-1 — libreoffice vulnerabilities

Affected: Ubuntu:16.04:LTS: libreoffice, Ubuntu:18.04:LTS: libreoffice

It was discovered that LibreOffice incorrectly handled LibreLogo scripts. If a user were tricked into opening a specially crafted document, a remote attacker could cause LibreOffice to execute arbitrary code. (CVE-2019-9850, CVE-2019-9851)

It was discovered that LibreOffice incorrectly handled embedded scripts in document files. If a user were tricked into opening a specially crafted document, a remote attacker could possibly execute arbitrary code. (CVE-2019-9852)

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CVE-2019-9853 — Insufficient URL decoding flaw in categorizing macro location

USN-4102-1 — libreoffice vulnerabilities