CVE-2010-1223 in Xosoft Replication
Summary
by MITRE
Multiple buffer overflows in CA XOsoft r12.0 and r12.5 allow remote attackers to execute arbitrary code via (1) a malformed request to the ws_man/xosoapapi.asmx SOAP endpoint or (2) a long string to the entry_point.aspx service.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 09/07/2021
The vulnerability identified as CVE-2010-1223 represents a critical security flaw affecting CA XOsoft versions 12.0 and 12.5, specifically targeting the web services infrastructure that governs remote management and automation capabilities. This vulnerability manifests through two distinct attack vectors that exploit buffer overflow conditions within the application's SOAP endpoint and web service handlers, creating potential entry points for remote code execution. The affected components include the ws_man/xosoapapi.asmx SOAP endpoint and the entry_point.aspx service, both of which process user-supplied input without adequate validation or bounds checking mechanisms.
The technical implementation of this vulnerability stems from inadequate input validation and memory management practices within the CA XOsoft application framework. When a malformed request is sent to the ws_man/xosoapapi.asmx SOAP endpoint, or when an excessively long string is provided to the entry_point.aspx service, the application fails to properly handle the input length, resulting in buffer overflow conditions. These buffer overflows occur because the application uses unsafe string handling functions that do not perform proper bounds checking before copying data into fixed-size buffers. This fundamental flaw allows attackers to overwrite adjacent memory locations, potentially corrupting program execution flow and enabling arbitrary code execution. The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflows, though the specific implementation in this case appears to involve stack corruption due to the nature of the SOAP and ASP.NET service handlers.
The operational impact of CVE-2010-1223 extends far beyond simple data corruption, as it provides attackers with complete system compromise capabilities. Remote attackers who successfully exploit this vulnerability can execute arbitrary code with the privileges of the affected service account, potentially leading to full system takeover, data exfiltration, or establishment of persistent backdoors. The attack vectors are particularly concerning because they target web service endpoints that are typically exposed to external networks, making the vulnerability easily exploitable from remote locations without requiring physical access or prior authentication. This vulnerability directly maps to the ATT&CK technique T1059.007, which covers "Command and Scripting Interpreter: PowerShell," as the execution of arbitrary code can enable attackers to leverage PowerShell or other scripting capabilities for further exploitation. The impact is exacerbated by the fact that CA XOsoft applications are often deployed in enterprise environments where they may have elevated privileges and access to critical infrastructure components.
Mitigation strategies for CVE-2010-1223 require immediate attention and comprehensive remediation approaches that address both the immediate vulnerability and underlying architectural weaknesses. Organizations should prioritize applying the vendor-provided patches or updates that correct the buffer overflow conditions in both the SOAP endpoint and the ASP.NET service handlers. Network segmentation and firewall rules should be implemented to restrict access to the affected endpoints, particularly the ws_man/xosoapapi.asmx and entry_point.aspx services, limiting exposure to trusted networks only. Input validation should be strengthened at all service boundaries, implementing strict length limits and sanitization routines to prevent malformed data from reaching the vulnerable code paths. Additionally, security monitoring should be enhanced to detect unusual patterns of requests to these endpoints, as anomalous traffic may indicate exploitation attempts. The implementation of application firewalls or web application firewalls can provide additional layers of protection by inspecting SOAP messages and HTTP requests for malicious patterns. Organizations should also consider implementing intrusion detection systems that can identify and alert on exploitation attempts targeting buffer overflow conditions, as these attacks often follow predictable patterns that can be detected through behavioral analysis. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other applications and services within the enterprise infrastructure, as this vulnerability represents a common class of flaws that frequently occur in legacy web service implementations.