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AUSCERT External Security Bulletin Redistribution
libreoffice security update
7 October 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
CVE Names: CVE-2019-9854 CVE-2019-9853 CVE-2019-9852
CVE-2019-9851 CVE-2019-9850 CVE-2019-9849
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Package : libreoffice
Version : 1:4.3.3-2+deb8u13
CVE ID : CVE-2019-9848 CVE-2019-9849 CVE-2019-9850 CVE-2019-9851=20
CVE-2019-9852 CVE-2019-9853 CVE-2019-9854
Several vulnerabilities were discovered in LibreOffice, the office
Nils Emmerich discovered that malicious documents could execute
arbitrary Python code via LibreLogo.
Matei Badanoiu discovered that the stealth mode did not apply to
It was discovered that the protections implemented in CVE-2019-9848
could be bypassed because of insufficient URL validation.
Gabriel Masei discovered that malicious documents could execute
arbitrary pre-installed scripts.
Nils Emmerich discovered that the protection implemented to address
CVE-2018-16858 could be bypassed by a URL encoding attack.
Nils Emmerich discovered that malicious documents could bypass
document security settings to execute macros contained within the
It was discovered that the protection implemented to address
CVE-2019-9852 could be bypassed because of insufficient input
For Debian 8 "Jessie", these problems have been fixed in version
We recommend that you upgrade your libreoffice packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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