Stack-Based Buffer Overflow in WOSDefaultHttpModule

Executive Summary

This vulnerability is a stack-based buffer overflow that occurs in the WOSDefaultHttpModule.dll component when it processes a long URL path starting with /woshome.

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Impact Analysis

Exploitation of this vulnerability can lead to severe impacts including complete compromise of confidentiality, integrity, and availability of the affected system, as indicated by the high CVSS score of 9.8.

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Detection Guidance

This vulnerability involves a stack-based buffer overflow in WOSDefaultHttpModule.dll when processing a long URL path starting with /woshome.

To detect attempts to exploit this vulnerability on your network or system, you can monitor HTTP requests for unusually long URL paths beginning with /woshome.

For example, you can use network traffic analysis tools or web server logs to search for requests matching the pattern /woshome followed by a long string.

A simple command to search web server logs for suspicious requests might be:

• grep "/woshome" /path/to/access.log | grep -E ".{100,}"

This command looks for requests containing /woshome with URL paths longer than 100 characters, which could indicate an attempt to trigger the buffer overflow.

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Mitigation Strategies

Immediate mitigation steps include updating the affected software to a version that addresses the vulnerability.

Although the provided resource details a related vulnerability (CVE-2026-8361) fixed in Gladinet Triofox Server Agent version 17.3.10565.57509, no direct patch information is available for CVE-2026-8362.

As a general best practice, restrict or filter HTTP requests with suspiciously long URL paths starting with /woshome at the network perimeter or web server level to prevent exploitation.

Additionally, consider disabling or restricting access to the WOSDefaultHttpModule.dll component if possible until a patch or update is available.

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