CVE-2010-2585 in Module ActiveX Control
Summary
by MITRE
Multiple buffer overflows in the RealPage Module Upload ActiveX control in Realpage.dll 1.0.0.9 in RealPage Module ActiveX Controls allow remote attackers to execute arbitrary code via a long (1) DestURL or (2) SourceFile property value.
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Analysis
by VulDB Data Team • 09/28/2021
The vulnerability identified as CVE-2010-2585 represents a critical security flaw within the RealPage Module ActiveX control, specifically affecting the Realpage.dll component version 1.0.0.9. This vulnerability manifests as multiple buffer overflow conditions that occur when processing excessively long string values in the DestURL or SourceFile properties of the ActiveX control. The affected component is part of the RealPage Module ActiveX Controls suite, which is commonly deployed in enterprise environments for various administrative and operational functions. Buffer overflow vulnerabilities of this nature are particularly dangerous because they can be exploited to execute arbitrary code with the privileges of the affected application, potentially leading to complete system compromise.
The technical implementation of this vulnerability stems from inadequate input validation within the RealPage.dll ActiveX control. When attackers provide excessively long strings as values for either the DestURL or SourceFile properties, the control fails to properly bounds-check these inputs before copying them into fixed-size buffers. This lack of proper input sanitization creates exploitable conditions where maliciously crafted input can overwrite adjacent memory locations, potentially corrupting program execution flow. The vulnerability is classified under CWE-121 as a stack-based buffer overflow, where the overflow occurs in a stack-allocated buffer due to insufficient bounds checking. The attack vector requires remote exploitation through a web browser or other application that loads the vulnerable ActiveX control, making it particularly dangerous in internet-facing environments.
The operational impact of CVE-2010-2585 extends beyond simple code execution, as it can lead to complete system compromise when exploited successfully. Attackers can leverage this vulnerability to install malware, modify system configurations, steal sensitive data, or establish persistent backdoors within affected systems. The vulnerability's remote exploitability means that adversaries do not require physical access or local privileges to carry out attacks, significantly expanding the attack surface. In enterprise environments where ActiveX controls are commonly deployed for business applications, this vulnerability could enable attackers to gain unauthorized access to critical infrastructure, potentially affecting financial systems, administrative databases, or operational technology environments. The attack can be facilitated through various delivery mechanisms including malicious websites, email attachments, or compromised web applications that utilize the vulnerable ActiveX control.
Mitigation strategies for CVE-2010-2585 should focus on immediate remediation and long-term security hardening approaches. The primary recommendation involves updating to the latest version of RealPage Module ActiveX Controls that contains patched versions of the vulnerable Realpage.dll component. Organizations should also implement browser security configurations that disable ActiveX controls or restrict their execution to trusted sites only. Network-level protections such as firewalls and web application firewalls can help filter malicious traffic targeting these vulnerabilities. Additionally, security teams should conduct comprehensive vulnerability assessments to identify all instances of the vulnerable ActiveX control across their network infrastructure. The mitigation approach aligns with ATT&CK technique T1190 for exploitation of known vulnerabilities and T1059 for command and control through compromised systems, emphasizing the need for both preventive and detective security measures. Regular security updates, patch management programs, and user education regarding suspicious web content are essential components of a comprehensive defense strategy against this and similar vulnerabilities.