Critical severity · published Apr 14, 2017
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…
9.8
CVSS
3.5%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libreoffice · Libreoffice
through 5.2.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7856
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7856
www.libreoffice.org
http://www.libreoffice.org/about-us/security/advisories/cve-2017-7856/
Third Party Advisory
http://www.securityfocus.com/bid/97667
Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=817
Patch
https://github.com/LibreOffice/core/commit/28e61b634353110445e334ccaa415d7fb6629d62
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