CVE-2023-30187

An out of bounds memory access vulnerability in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted…

published August 14, 2023

CVSS
—
EPSS
2%
Percentile
83.7
In the wild
Unconfirmed
What it is

⚠️ An out-of-bounds memory access vulnerability lurks in ONLYOFFICE DocumentServer, waiting for just the right crafted JavaScript file to spring into action! Think of it like a waiter accidentally serving a dish meant for another table, leading to all sorts of unexpected mix-ups. In this case, a malicious file can slip into memory, potentially causing chaos. An attacker could run arbitrary code on the server, which could lead to unauthorized access, data manipulation, or even worse - a complete system takeover! It’s a sneaky way to gain control, so the consequences could be serious.

Put simply

Think of it like a waiter accidentally serving a dish meant for another table, leading to all sorts of unexpected mix-ups. In this case, a malicious file can slip into memory, potentially causing chaos. This vulnerability arises from improper handling of memory access, allowing remote attackers to exploit it using specially crafted JavaScript files, leading to potential execution of malicious code.

What to do

An attacker could run arbitrary code on the server, which could lead to unauthorized access, data manipulation, or even worse - a complete system takeover! It’s a sneaky way to gain control, so the consequences could be serious. To safeguard your system, update ONLYOFFICE DocumentServer to the latest version. Implement rigorous input validation to ensure only safe files are processed. Consider regular security audits to catch such vulnerabilities early! You've got this! With a few fixes, you'll be one step closer to securing your environment! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02363 · 83.7th percentile
Published
2023-08-14T00:00Z
EPSS history
Timeline
  • 14 AUG 00:00Z
    An out of bounds memory access vulnerability in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted…
    cvelistv5