CVE-2012-4864 in WinLicense
Summary
by MITRE
Oreans WinLicense 2.1.8.0 allows remote attackers to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via a crafted xml file.
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Analysis
by VulDB Data Team • 07/16/2025
The vulnerability identified as CVE-2012-4864 affects Oreans WinLicense version 2.1.8.0, a software protection and licensing solution commonly used for digital rights management and software activation. This critical security flaw resides within the XML parsing functionality of the application, creating a significant attack surface that could be exploited by malicious actors. The vulnerability manifests when the application processes specially crafted XML files, leading to unpredictable behavior that can result in system instability and potential code execution.
The technical root cause of this vulnerability stems from inadequate input validation and memory management within the XML processing module. When the WinLicense application encounters a malformed XML structure, it fails to properly handle memory allocation and deallocation procedures, resulting in memory corruption patterns that ultimately cause application crashes. This memory corruption vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and CWE-125, which covers out-of-bounds read vulnerabilities. The flaw operates through a classic buffer overflow attack vector where attacker-controlled data exceeds the bounds of allocated memory buffers, leading to unpredictable program behavior.
From an operational impact perspective, this vulnerability presents a severe risk to organizations relying on WinLicense for software protection. Remote attackers can leverage this flaw to initiate denial of service attacks against systems running the vulnerable software, effectively disrupting legitimate business operations. The potential for arbitrary code execution adds an additional layer of severity, as attackers could gain unauthorized access to affected systems and potentially escalate privileges. The attack requires minimal sophistication, as the exploit involves simply crafting a malicious XML file that, when processed by the vulnerable application, triggers the memory corruption. This vulnerability directly maps to ATT&CK technique T1203, which covers exploitation for execution through the manipulation of memory corruption vulnerabilities.
Organizations should immediately implement mitigation strategies to address this vulnerability. The primary recommendation involves updating to the latest version of Oreans WinLicense where the vulnerability has been patched and the XML parsing routines have been hardened against malformed inputs. System administrators should also consider implementing network segmentation and access controls to limit exposure of systems running vulnerable versions. Additionally, deploying intrusion detection systems that can identify suspicious XML file processing activities may provide early warning of potential exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify any other potentially affected systems within the enterprise environment. The vulnerability demonstrates the critical importance of proper input validation and memory management practices in software development, particularly for applications handling external data inputs such as XML files.