CVE-2000-0399: Buffer Overflow
Buffer overflow in MDaemon POP server allows remote attackers to cause a denial of service via a long user name.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
MDaemon POP serverfrom your environment.Uninstall or remove the POP server component from MDaemon if POP access is not required.
- Configuration
Disable the POP server/service in MDaemon to prevent remote attackers from exploiting the long user name buffer overflow.
MDaemon POP server pop_server_enabled = false - Compensating control
Restrict network access to the POP service at the network perimeter (block or limit access to TCP ports used for POP, e.g. 110/995) and allowonly trusted IPs via firewall/ACL to prevent remote exploitation.
- Operational
Monitor MDaemon for signs of denial-of-service (crashes, service restarts) affecting the POP service and implement restart or failover procedures as needed. Apply any vendor patch or update addressing this issue as soon as it becomes available.
Event History
Frequently Asked Questions
What is the severity of CVE-2000-0399?
CVE-2000-0399 is classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2000-0399?
To fix CVE-2000-0399, upgrade to a version of MDaemon that addresses the buffer overflow vulnerability.
What versions of MDaemon are affected by CVE-2000-0399?
CVE-2000-0399 affects MDaemon version 3.1_beta and version 3.0.3.
Can CVE-2000-0399 be exploited remotely?
Yes, CVE-2000-0399 can be exploited remotely by attackers sending a long user name to the POP server.
What is the impact of CVE-2000-0399?
The impact of CVE-2000-0399 is a denial of service condition that can disrupt email services for users.