CVE-2026-24832: ixray-1.6-stcop Buffer Overflow Flaw

CVE-2026-24832 Overview

CVE-2026-24832 is an Out-of-bounds Write vulnerability affecting ixray-team's ixray-1.6-stcop project, an open-source game engine modification. This vulnerability allows attackers to write data beyond the allocated buffer boundaries, potentially leading to arbitrary code execution, application crashes, or system compromise.

Critical Impact

This network-exploitable vulnerability requires no authentication or user interaction, enabling remote attackers to potentially execute arbitrary code or cause denial of service on affected systems running vulnerable versions of ixray-1.6-stcop.

Affected Products

• ixray-1.6-stcop versions prior to 1.3
• ixray-team ixray-1 game engine components

Discovery Timeline

• 2026-01-27 - CVE-2026-24832 published to NVD
• 2026-01-29 - Last updated in NVD database

Technical Details for CVE-2026-24832

Vulnerability Analysis

This Out-of-bounds Write vulnerability (CWE-787) occurs when the application writes data past the end or before the beginning of an intended buffer. In the context of ixray-1.6-stcop, this memory corruption flaw can be triggered remotely over the network without requiring any privileges or user interaction.

The vulnerability is particularly dangerous because it can lead to multiple severe outcomes including arbitrary code execution, memory corruption, and denial of service. When exploited, an attacker can overwrite adjacent memory locations, potentially corrupting critical data structures, function pointers, or return addresses on the stack.

Root Cause

The root cause of this vulnerability lies in improper bounds checking when writing data to memory buffers within the ixray-1.6-stcop engine. The application fails to validate that write operations remain within the allocated buffer boundaries, allowing data to overflow into adjacent memory regions.

This type of vulnerability typically occurs when:

• Array indices are not properly validated before write operations
• Buffer sizes are incorrectly calculated
• Loop conditions fail to prevent writing beyond allocated boundaries
• Input length validation is missing or insufficient

Attack Vector

The vulnerability is exploitable over the network, meaning attackers can craft malicious network packets or data streams that trigger the out-of-bounds write condition. Since no authentication is required and no user interaction is needed, this vulnerability presents a significant attack surface for remote exploitation.

An attacker could potentially:

1. Send specially crafted network data to a vulnerable ixray-1.6-stcop instance
2. Trigger the out-of-bounds write condition
3. Overwrite critical memory structures to gain code execution
4. Achieve full system compromise depending on the application's privileges

Technical details regarding the specific exploitation mechanism can be found in the GitHub Pull Request #257 that addresses this vulnerability.

Detection Methods for CVE-2026-24832

Indicators of Compromise

• Unexpected crashes or segmentation faults in ixray-1.6-stcop processes
• Anomalous memory allocation patterns or memory corruption errors in application logs
• Unusual network traffic patterns targeting ixray-1.6-stcop services
• Process behavior anomalies indicating potential code execution exploitation

Detection Strategies

• Monitor for crash dumps and core files from ixray-1.6-stcop processes that may indicate exploitation attempts
• Implement network intrusion detection rules to identify malformed packets targeting the application
• Deploy memory protection mechanisms such as ASLR and DEP to detect and prevent exploitation
• Use application-level monitoring to detect unusual memory access patterns

Monitoring Recommendations

• Enable detailed logging for ixray-1.6-stcop application instances
• Configure system monitoring to alert on unexpected process terminations
• Implement network traffic analysis for services running vulnerable versions
• Consider deploying endpoint detection and response (EDR) solutions to identify post-exploitation activity

How to Mitigate CVE-2026-24832

Immediate Actions Required

• Upgrade ixray-1.6-stcop to version 1.3 or later immediately
• If immediate patching is not possible, consider temporarily disabling network-exposed instances
• Review network segmentation to limit exposure of vulnerable systems
• Monitor affected systems for signs of exploitation attempts

Patch Information

The vulnerability has been addressed in ixray-1.6-stcop version 1.3 and later. The fix is documented in GitHub Pull Request #257, which implements proper bounds checking to prevent the out-of-bounds write condition.

Organizations should prioritize updating to the patched version as the vulnerability is network-exploitable and requires no authentication.

Workarounds

• Restrict network access to ixray-1.6-stcop services using firewall rules until patching is complete
• Implement network-level filtering to block potentially malicious traffic patterns
• Run the application in a sandboxed or containerized environment to limit the impact of successful exploitation
• Enable operating system-level memory protections (ASLR, DEP/NX) if not already active

# Example: Restrict network access to ixray services using iptables
# Allow only trusted IP ranges to access the service
iptables -A INPUT -p tcp --dport [SERVICE_PORT] -s [TRUSTED_IP_RANGE] -j ACCEPT
iptables -A INPUT -p tcp --dport [SERVICE_PORT] -j DROP