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Vulnerability Details : CVE-2019-9852

LibreOffice has a feature where documents can specify that pre-installed macros can be executed on various script events such as mouse-over, document-open etc. Access is intended to be restricted to scripts under the share/Scripts/python, user/Scripts/python sub-directories of the LibreOffice install. Protection was added, to address CVE-2018-16858, to avoid a directory traversal attack where scripts in arbitrary locations on the file system could be executed. However this new protection could be bypassed by a URL encoding attack. In the fixed versions, the parsed url describing the script location is correctly encoded before further processing. This issue affects: Document Foundation LibreOffice versions prior to 6.2.6.
Publish Date : 2019-08-15 Last Update Date : 2019-09-03
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeDirectory traversalBypass a restriction or similar
CWE ID 22

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:1151: libreoffice security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20201151 unix
RHSA-2020:1598: libreoffice security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20201598 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-9852

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 29 * * * Version Details Vulnerabilities
4 Application Libreoffice Libreoffice * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Fedoraproject Fedora 1
Libreoffice Libreoffice 1

- References For CVE-2019-9852

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00006.html
SUSE openSUSE-SU-2019:2057
https://seclists.org/bugtraq/2019/Sep/17
BUGTRAQ 20190910 [SECURITY] [DSA 4519-1] libreoffice security update
https://www.debian.org/security/2019/dsa-4501
DEBIAN DSA-4501
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/
FEDORA FEDORA-2019-2fe22a3a2c
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00067.html
SUSE openSUSE-SU-2019:2183
https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html
MLIST [debian-lts-announce] 20191006 [SECURITY] [DLA 1947-1] libreoffice security update
https://usn.ubuntu.com/4102-1/
UBUNTU USN-4102-1
https://seclists.org/bugtraq/2019/Aug/28
BUGTRAQ 20190815 [SECURITY] [DSA 4501-1] libreoffice security update
https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9852

- Metasploit Modules Related To CVE-2019-9852

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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