CVE-2017-7856 Information

Description

LibreOffice before 2017-03-11 has an out-of-bounds write caused by a heap-based buffer overflow in the SVMConverter::ImplConvertFromSVM1 function in vcl/source/gdi/svmconverter.cxx.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.libreoffice.org/about-us/security/advisories/cve-2017-7856/ http://www.securityfocus.com/bid/97667 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=817 https://github.com/LibreOffice/core/commit/28e61b634353110445e334ccaa415d7fb6629d62

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8