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…

published April 14, 2017

CVSS
—
EPSS
3%
Percentile
89.0
In the wild
Unconfirmed
What it is

⚠️ An out-of-bounds write bug in LibreOffice could spell trouble if exploited. The heap-based buffer overflow in the SVMConverter could let a malicious file do more than just crash your document! Think of this as a restaurant where a chef accidentally spills a huge pot of soup on the floor. If the staff doesn't clean it up properly, someone could slip and fall, causing a mess and potential injury. In this case, the buffer overflow creates a chance for attackers to manipulate system memory, potentially leading to chaos! While this vulnerability hasn't been seen exploited in the wild yet, an attacker could take advantage of it to execute arbitrary code or crash the application, wreaking havoc on users' systems. Imagine opening a document that crashes your office machine or worse, lets an attacker take control of it — yikes!

Put simply

Think of this as a restaurant where a chef accidentally spills a huge pot of soup on the floor. If the staff doesn't clean it up properly, someone could slip and fall, causing a mess and potential injury. In this case, the buffer overflow creates a chance for attackers to manipulate system memory, potentially leading to chaos! This vulnerability arises from an out-of-bounds write due to a heap-based buffer overflow in the SVMConverter::ImplConvertFromSVM1 function, which improperly handles certain inputs.

What to do

While this vulnerability hasn't been seen exploited in the wild yet, an attacker could take advantage of it to execute arbitrary code or crash the application, wreaking havoc on users' systems. Imagine opening a document that crashes your office machine or worse, lets an attacker take control of it — yikes! Update LibreOffice to the latest version as of March 11, 2017, to ensure this vulnerability is patched. Regularly monitor for updates and consider conducting routine security audits to catch any lurking issues. Don't let your guard down! You've got this! By following these steps, you can secure your documents and keep your office safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03488 · 89.0th percentile
Published
2017-04-14T04:30Z
EPSS history
Timeline
  • 14 APR 04:30Z
    LibreOffice before 2017-03-11 has an out-of-bounds write caused by a heap-based buffer overflow in the SVMConverter::ImplConvertFromSVM1 function in…
    cvelistv5