CVE-2007-2489 in Protocol Server
Summary
by MITRE
Heap-based buffer overflow in LiveData Protocol Server 5.00.045, and other versions before update 500062 (5.00.062), allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted request for a WSDL file that causes a negative length to be used in a strncpy call.
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Analysis
by VulDB Data Team • 11/26/2024
The vulnerability identified as CVE-2007-2489 represents a critical heap-based buffer overflow in the LiveData Protocol Server software version 5.00.045 and earlier releases. This flaw exists within the server's handling of Web Services Description Language file requests, specifically when processing crafted malicious input that manipulates the length parameter in memory operations. The vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize or verify the legitimacy of length values before they are utilized in memory copying operations. The affected software version range includes all releases prior to update 500062, which corresponds to version 5.00.062, making it a widespread issue affecting numerous installations across different environments.
The technical exploitation of this vulnerability occurs when a remote attacker crafts a malicious request specifically targeting the WSDL file retrieval functionality of the LiveData Protocol Server. This crafted request manipulates the length parameter in such a way that a negative value is passed to the strncpy function, which is a standard C library function used for copying strings. When strncpy receives a negative length value, it can cause unpredictable behavior including memory corruption, stack smashing, or heap corruption that ultimately leads to application instability. The heap-based nature of this buffer overflow indicates that the memory corruption affects the program's heap memory space rather than the stack, which can be particularly dangerous as heap corruption often leads to more severe consequences including arbitrary code execution.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially enabling remote code execution capabilities. When the server crashes due to the buffer overflow, it results in a denial of service that can disrupt legitimate business operations and service availability. However, the more concerning aspect is that the heap corruption could potentially be exploited to execute arbitrary code on the vulnerable system, allowing attackers to gain unauthorized access and control over the affected server. This vulnerability affects organizations that rely on LiveData Protocol Server for web services management and can compromise the integrity of their service infrastructure. The attack vector requires remote access and does not necessitate authentication, making it particularly dangerous for publicly exposed services.
Mitigation strategies for this vulnerability should focus on immediate software updates to the patched version 5.00.062 or later, which addresses the input validation issues in the WSDL processing functionality. Organizations should also implement network segmentation and access controls to limit exposure of the affected service to trusted networks only. Additionally, monitoring for suspicious WSDL requests and implementing intrusion detection systems can help identify potential exploitation attempts. From a security framework perspective, this vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and relates to ATT&CK technique T1203, which covers legitimate credentials and remote service access. The vulnerability demonstrates the importance of proper input validation and bounds checking in preventing memory corruption exploits, highlighting the need for robust defensive programming practices in network service implementations.