CVE-2021-25832

A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0

published March 1, 2021

CVSS
—
EPSS
13%
Percentile
96.2
In the wild
Unconfirmed
What it is

⚡ A sneaky heap buffer overflow in ONLYOFFICE DocumentServer could allow attackers to execute their own code remotely, making it a risky scenario for users! 🔥 Think of this vulnerability like a waiter who serves your meal without checking if the table is set correctly — a little overflow here and there can lead to a messy situation! If the waiter isn’t careful, someone could take control of the entire dining experience. An attacker exploiting this could potentially take full control of your DocumentServer, allowing them to execute arbitrary code and wreak havoc on your documents and data! The implications could be devastating if you rely on this tool for sensitive information handling.

Put simply

Think of this vulnerability like a waiter who serves your meal without checking if the table is set correctly — a little overflow here and there can lead to a messy situation! If the waiter isn’t careful, someone could take control of the entire dining experience. This vulnerability stems from a heap buffer overflow in the BMP image processing part of ONLYOFFICE DocumentServer, which can be exploited to gain remote code execution.

What to do

An attacker exploiting this could potentially take full control of your DocumentServer, allowing them to execute arbitrary code and wreak havoc on your documents and data! The implications could be devastating if you rely on this tool for sensitive information handling. To protect yourself, update ONLYOFFICE DocumentServer to the latest version immediately. Regularly review and monitor your security practices to ensure all components are well-guarded. It’s also wise to restrict access to your DocumentServer to trusted users only. You've got this! By staying vigilant and following these steps, you'll help secure your system like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.12590 · 96.2th percentile
Published
2021-03-01T15:08Z
EPSS history
Timeline
  • 01 MAR 15:08Z
    A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0
    cvelistv5