CVE-2011-2475 in OneBridge Mobile Data Suite
Summary
by MITRE
Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server and DMZ Proxy in Sybase OneBridge Mobile Data Suite 5.5 and 5.6 allows remote attackers to execute arbitrary code via format string specifiers in unspecified string fields, related to authentication logging.
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Analysis
by VulDB Data Team • 01/23/2018
The vulnerability described in CVE-2011-2475 represents a critical format string vulnerability within the ECTrace.dll component of Sybase OneBridge Server's iMailGateway service. This flaw exists in the Internet Mail Gateway functionality of the OneBridge Mobile Data Suite versions 5.5 and 5.6, specifically affecting the DMZ Proxy component. The vulnerability manifests when the system processes authentication logging operations, where unspecified string fields receive format string specifiers that are not properly validated or sanitized. This type of vulnerability falls under the CWE-134 category of Format String Vulnerability, which is classified as a serious weakness in software security that can lead to arbitrary code execution.
The technical exploitation of this vulnerability occurs through remote attackers who can craft malicious input containing format string specifiers that are then processed by the vulnerable iMailGateway service. When the system attempts to log authentication information, it uses these malformed strings without proper validation, allowing attackers to manipulate the format string processing mechanism. This manipulation can result in stack pointer dereferencing, memory corruption, or direct code execution within the context of the running service. The vulnerability's remote nature means that attackers do not require local access or authentication to exploit the flaw, making it particularly dangerous for network-facing services.
The operational impact of this vulnerability extends beyond simple code execution, as it can enable attackers to gain full control over the affected OneBridge Server instances. The iMailGateway service operates as a critical component in mobile data communication infrastructure, and compromise of this service could lead to unauthorized access to mobile data traffic, potential data breaches, and disruption of mobile communication services. Attackers could leverage this vulnerability to establish persistent access, escalate privileges, or use the compromised system as a pivot point for further attacks within the network infrastructure. The presence of this vulnerability in both versions 5.5 and 5.6 indicates a widespread issue affecting multiple releases of the OneBridge Mobile Data Suite.
Organizations affected by this vulnerability should implement immediate mitigations including applying the vendor-provided security patches, disabling unnecessary network services, and implementing network segmentation to limit exposure. The ATT&CK framework categorizes this vulnerability under T1059.007 for Command and Scripting Interpreter and T1068 for Exploitation for Privilege Escalation, indicating the potential for both remote code execution and privilege escalation attacks. Additional defensive measures should include monitoring for unusual authentication logging patterns, implementing input validation controls, and conducting regular security assessments of mobile data infrastructure components. The vulnerability demonstrates the critical importance of proper input validation and secure coding practices in network services, particularly those handling authentication and logging operations.