Vulnerability Details : CVE-2017-7856
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2017-7856
- cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7856
1.78%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7856
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-7856
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7856
-
https://github.com/LibreOffice/core/commit/28e61b634353110445e334ccaa415d7fb6629d62
ofz#817 nStrLen-1 changed to nStrLen-3 · LibreOffice/core@28e61b6 · GitHubPatch;Third Party Advisory
-
http://www.securityfocus.com/bid/97667
LibreOffice CVE-2017-7856 Heap Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=817
817 - libreoffice: Heap-buffer-overflow in SVMConverter::ImplConvertFromSVM1 - oss-fuzz - MonorailThird Party Advisory;VDB Entry
-
http://www.libreoffice.org/about-us/security/advisories/cve-2017-7856/
CVE-2017-7856 | LibreOffice - Free Office Suite - Fun Project - Fantastic People
Jump to