CVE-1999-1529: Buffer Overflow
A buffer overflow exists in the HELO command in Trend Micro Interscan VirusWall SMTP gateway 3.23/3.3 for NT, which may allow an attacker to execute arbitrary code.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
Trend Micro InterScan VirusWall SMTP gateway 3.23/3.3 for NTfrom your environment.Uninstall the Interscan VirusWall SMTP gateway component if it is not required in your environment to eliminate exposure to the HELO buffer overflow.
- Compensating control
Restrict network access to the Trend Micro InterScan VirusWall SMTP gateway to trusted mail hosts and administrative IPs only (use firewall/ACLs or network segmentation). Block or filter incoming SMTP connections from untrusted sources to prevent exploitation of the HELO buffer overflow.
- Operational
If the SMTP gateway cannot be removed immediately, isolate the host, monitor logs and network traffic for signs of compromise, and if compromise is suspected rebuild the system from known-good media and rotate any potentially exposed credentials.
Event History
Frequently Asked Questions
What is the severity of CVE-1999-1529?
CVE-1999-1529 is classified as a critical vulnerability due to its potential to allow attackers to execute arbitrary code.
How do I fix CVE-1999-1529?
To fix CVE-1999-1529, it is recommended to upgrade Trend Micro InterScan VirusWall to the latest version that resolves this vulnerability.
What software is affected by CVE-1999-1529?
CVE-1999-1529 specifically affects Trend Micro InterScan VirusWall versions 3.23 and 3.3 for NT.
What type of vulnerability is CVE-1999-1529?
CVE-1999-1529 is a buffer overflow vulnerability that occurs in the HELO command.
Can CVE-1999-1529 be exploited remotely?
Yes, CVE-1999-1529 can be exploited remotely if an attacker sends a specially crafted HELO command to the affected server.