CVE-2003-0968

Stack-based buffer overflow in SMB_Logon_Server of the rlm_smb experimental module for FreeRADIUS 0.9.3 and earlier allows remote attackers to execute…

published December 2, 2003

CVSS
—
EPSS
4%
Percentile
90.3
In the wild
Unconfirmed
What it is

⚠️ A long User-Password attribute is the unsuspecting villain here! This stack-based buffer overflow in FreeRADIUS could let an attacker execute arbitrary code without breaking a sweat. 😱 Think of it like a delivery driver who accepts a package labeled as a sandwich but discovers it’s a ticking time bomb when they open it—one seemingly innocent input turns into a major disaster! An attacker exploiting this vulnerability could gain full control over the FreeRADIUS server, potentially compromising sensitive network information or disrupting services entirely. This could lead to chaos in user authentications and unauthorized access, all thanks to a single long password!

Put simply

Think of it like a delivery driver who accepts a package labeled as a sandwich but discovers it’s a ticking time bomb when they open it—one seemingly innocent input turns into a major disaster! This vulnerability arises from the SMB_Logon_Server in the rlm_smb module, where a buffer overflow occurs due to insufficient handling of overly long User-Password attributes, allowing execution of arbitrary code.

What to do

An attacker exploiting this vulnerability could gain full control over the FreeRADIUS server, potentially compromising sensitive network information or disrupting services entirely. This could lead to chaos in user authentications and unauthorized access, all thanks to a single long password! To protect against this vulnerability, upgrade FreeRADIUS to version 0.9.4 or later. Regularly audit user inputs for length restrictions and ensure robust input validation is in place. 📈 You've got this! Implement these steps and keep your FreeRADIUS server safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03964 · 90.3th percentile
Published
2003-12-02T05:00Z
EPSS history
Timeline
  • 02 DEC 05:00Z
    Stack-based buffer overflow in SMB_Logon_Server of the rlm_smb experimental module for FreeRADIUS 0.9.3 and earlier allows remote attackers to execute…
    cvelistv5