SunOS 4.0.3/4.0.3c Local Privilege Escalation

HIGH (7.2) Patch Available Patch Patch

Threat Intelligence

Low Risk
EPSS Score: 0.08% chance of exploitation (percentile: 25%)
🔍 Detection Tools: None available in major open-source tools
⚔️ Exploit Availability: No public exploits found

How we test →

What is it?

SunOS is a proprietary Unix operating system used by some organizations in the past. This vulnerability allows local users to gain root privileges on SunOS 4.0.3 and 4.0.3c systems, potentially leading to unauthorized access to sensitive data.

Am I affected?

You're affected if you use SunOS 4.0.3 or 4.0.3c. If you don't recognize the name "SunOS" or are unsure about your system's version, you're probably not affected.

Version info: Not specified in the advisory.
Check with: uname -a to verify your SunOS version.

Affected Products

Sun Microsystems / SunOS

How to fix

Immediate mitigations:
- Restrict root access to sensitive areas of the system (e.g., /var/log, /etc)
- Monitor for suspicious system activity and audit logs

Contact a certified Sun Microsystems support representative to obtain a patched version. Unfortunately, no public patch link is available in the advisory.