MediumPublic exploit

Denial of Service in Titan FTP Server LIST -L Command Handling

IdentifiersCVE-2004-0437CWE-476

Titan FTP Server version 3.01 build 163, and possibly other versions prior to build 169, contains a flaw in handling client disconnects during processing of the "LIST -L" FTP command. A remote authenticated user can trigger the issue by disconnecting from the server while the command is being processed, causing the server to access an invalid socket and crash. The vulnerability is therefore a server-side improper handling of a stale or invalid socket reference during command execution.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation causes a denial of service condition in Titan FTP Server by crashing the service. This can interrupt FTP availability for legitimate users until the service is restarted or otherwise recovered. Based on the provided information, there is no indication of code execution, privilege escalation, or data disclosure; the documented impact is service disruption only.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, limit exposure by restricting FTP access to trusted users and networks, since exploitation requires authentication. Monitor the service for abnormal disconnect patterns during directory listing operations, and consider disabling or operationally restricting use of the "LIST -L" functionality if feasible within the environment. Service supervision or automatic restart can reduce downtime but does not eliminate the underlying flaw.

Remediation

Patch, then assume compromise.

Upgrade Titan FTP Server to a fixed build, specifically build 169 or later, as the issue affects version 3.01 build 163 and possibly other earlier builds. If an exact fixed version cannot be confirmed for all affected branches, the appropriate remediation is to deploy the vendor-provided update that corrects the invalid socket access during "LIST -L" processing.

PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.

VALID 0 / 1 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

South RiverTitan Ftp Serverapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

2 SOURCESView more in app

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2