CVE-2017-7856 Memory corruption in n/a
A heap-based buffer overflow in LibreOffice allows attackers to execute arbitrary code via a crafted SVM file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-7856?
CVE-2017-7856 is a critical memory corruption vulnerability in Libreoffice Libreoffice, published on 14 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2017-7856?
It affects 1 product.
Products include Libreoffice Libreoffice.
How do I fix CVE-2017-7856?
No fix has been published for CVE-2017-7856 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-7856 being exploited?
There is no known exploitation of CVE-2017-7856 in the wild and no public exploit code.
Other vulnerabilities in Libreoffice Libreoffice
Sources
Also known as GHSA-v8w7-8rjm-mqjv.