CVE-2000-0422: Buffer Overflow
Buffer overflow in Netwin DMailWeb CGI program allows remote attackers to execute arbitrary commands via a long utoken parameter.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
NetWin dMail (DMailWeb CGI)from your environment.Uninstall or remove the DMailWeb CGI component from servers where it is not required.
- Configuration
Disable the DMailWeb CGI program (stop serving the vulnerable CGI endpoint) to prevent remote exploitation of the utoken buffer overflow.
NetWin dMail (DMailWeb CGI) enable = false - Compensating control
Restrict access to the web interface hosting the DMailWeb CGI using firewall rules, network ACLs, or a WAF; allow only trusted IPs to reach the CGI endpoint to block remote exploitation.
- Operational
Monitor server and web logs for signs of exploitation (e.g., unusual utoken parameter usage or unexpected command execution). If compromise is suspected, isolate affected hosts, perform incident response, and rotate credentials and keys as appropriate.
Event History
Frequently Asked Questions
What is the severity of CVE-2000-0422?
CVE-2000-0422 has a high severity rating due to the potential for remote code execution.
How do I fix CVE-2000-0422?
To fix CVE-2000-0422, upgrade to a patched version of Netwin DMail that resolves the buffer overflow issue.
What type of vulnerability is CVE-2000-0422?
CVE-2000-0422 is classified as a buffer overflow vulnerability.
Who is affected by CVE-2000-0422?
CVE-2000-0422 affects users running Netwin DMail version 2.5d.
What can an attacker do with CVE-2000-0422?
An attacker exploiting CVE-2000-0422 can execute arbitrary commands on the affected server.