CVE-2025-2263CWE-121

Santesoft Sante PACS Server Stack-based Buffer Overflow

Critical · published March 13, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
67.7
In the wild
Unconfirmed
What it is

🚨 A long encrypted username or password is a ticket to disaster! An unauthenticated attacker can exploit a stack-based buffer overflow during login on the Sante PACS Server.exe — and the consequences could be catastrophic. 🔥 Think of it like a waiter at a restaurant trying to pour wine into a glass that can only hold 80ml. If a customer orders a ridiculously large bottle and the waiter isn't careful, the wine spills all over the table, creating a mess instead of filling the glass. Similarly, the buffer here can't handle long inputs, leading to overflow chaos! An attacker could easily cause a buffer overflow, potentially gaining full control over the server. This could lead to unauthorized access, data breaches, or even server crashes — seriously, it’s a recipe for absolute mayhem!

Put simply

Think of it like a waiter at a restaurant trying to pour wine into a glass that can only hold 80ml. If a customer orders a ridiculously large bottle and the waiter isn't careful, the wine spills all over the table, creating a mess instead of filling the glass. Similarly, the buffer here can't handle long inputs, leading to overflow chaos! In this vulnerability, the OpenSSL function EVP_DecryptUpdate is called with a fixed 0x80-byte stack buffer, which can be overflowed by supplying excessively long encrypted usernames or passwords from an unauthenticated source.

What to do

An attacker could easily cause a buffer overflow, potentially gaining full control over the server. This could lead to unauthorized access, data breaches, or even server crashes — seriously, it’s a recipe for absolute mayhem! Immediate action is required: Update to the latest version of Sante PACS Server to patch this vulnerability. Additionally, implement input validation to restrict the length of usernames and passwords during authentication. Don't let this one slip! You've got this! By following these steps, you'll be well on your way to locking down your server and becoming a security hero! 🛡️

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
0.01191 · 67.7th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2025-03-13T16:25Z
EPSS history
Timeline
  • 13 MAR 16:25Z
    Santesoft Sante PACS Server Stack-based Buffer Overflow
    cvelistv5