CVE-2023-28502CWE-120

Stack buffer overflow in UniRPC's udadmin_server service

Critical · published March 29, 2023

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.2th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
61%
Percentile
99.2
In the wild
Unconfirmed
What it is

🔥 A stack-based buffer overflow in the "udadmin" service could let attackers run arbitrary code as root on your Rocket Software UniData and UniVerse systems! Think of this vulnerability like a delivery person who can open a secure vault because they were given too much access — once they’re in, they can take anything they want! With this vulnerability, an attacker could potentially take complete control of your server, executing commands at will and accessing sensitive data. This could lead to absolutely devastating consequences, including data theft or system compromise, leaving your organization exposed. It's critical to address this before it becomes a tool for malicious actors!

Put simply

Think of this vulnerability like a delivery person who can open a secure vault because they were given too much access — once they’re in, they can take anything they want! The vulnerability exists in Rocket Software UniData and UniVerse prior to specified builds, where the "udadmin" service fails to properly manage memory, leading to a stack-based buffer overflow that can be exploited for remote code execution.

What to do

With this vulnerability, an attacker could potentially take complete control of your server, executing commands at will and accessing sensitive data. This could lead to absolutely devastating consequences, including data theft or system compromise, leaving your organization exposed. It's critical to address this before it becomes a tool for malicious actors! Patch your systems to UniData version 8.2.4 build 3003 or later, and ensure UniVerse is updated to versions 11.3.5 build 1001 or 12.2.1 build 2002. Regularly review your security configuration to prevent future vulnerabilities from slipping through! You've got this! Follow these steps, and your systems will be secure and running smoothly in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.61102 · 99.2th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2023-03-29T20:03Z
EPSS history
Timeline
  • 29 MAR 20:03Z
    Stack buffer overflow in UniRPC's udadmin_server service
    cvelistv5