CVE-2008-5159 in Wincome Mpd Total
Summary
by MITRE
Integer overflow in the remote administration protocol processing in Client Software WinCom LPD Total 3.0.2.623 and earlier allows remote attackers to cause a denial of service (crash) via a large string length argument, which triggers memory corruption.
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Analysis
by VulDB Data Team • 02/09/2025
The vulnerability identified as CVE-2008-5159 represents a critical integer overflow condition within the remote administration protocol implementation of WinCom LPD Total client software version 3.0.2.623 and earlier. This flaw exists in the processing of string length arguments within the remote administration functionality, creating a pathway for malicious actors to exploit the system through carefully crafted input sequences. The vulnerability falls under the category of memory corruption issues that can lead to system instability and service disruption.
The technical mechanism behind this vulnerability involves the improper handling of integer values during string length validation within the remote administration protocol. When a remote attacker submits a specially crafted string with an excessively large length argument, the application fails to properly validate or handle the integer value, causing it to overflow beyond its intended capacity. This integer overflow condition directly translates into memory corruption, where the application's memory management becomes compromised and can no longer properly allocate or manage memory resources. The flaw specifically impacts the protocol processing logic that handles remote administration commands, making it particularly dangerous in networked environments where remote access is permitted.
The operational impact of this vulnerability extends beyond simple denial of service conditions, as the memory corruption can potentially lead to application crashes, system instability, and in some scenarios could provide a foundation for more sophisticated attacks. The vulnerability affects the availability aspect of the system by enabling remote attackers to disrupt legitimate service operations without requiring authentication or elevated privileges. This makes it particularly attractive to threat actors seeking to cause disruption or create conditions for further exploitation. The vulnerability's impact is amplified in environments where the WinCom LPD Total software serves as a critical component of network infrastructure or remote administration services.
Mitigation strategies for CVE-2008-5159 should focus on immediate software updates and patches provided by the vendor, as well as network-level protections such as input validation and access controls. Organizations should implement monitoring to detect unusual string length arguments being processed by the remote administration protocol. The vulnerability aligns with CWE-190, which specifically addresses integer overflow conditions, and could potentially map to ATT&CK technique T1499.004 for network denial of service attacks. Security teams should also consider implementing network segmentation to limit exposure of vulnerable systems and establish baseline monitoring for abnormal protocol behavior. Additionally, regular vulnerability assessments should be conducted to identify similar integer overflow conditions in other legacy software components that may be susceptible to similar issues.