CVE-2018-0290 in SocialMiner
Summary
by MITRE
A vulnerability in the TCP stack of Cisco SocialMiner could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the notification system. The vulnerability is due to faulty handling of new TCP connections to the affected application. An attacker could exploit this vulnerability by sending a malicious TCP packet to the vulnerable service. An exploit could allow the attacker to create a DoS condition by interrupting certain phone services. A manual restart of the service may be required to restore full functionalities. Cisco Bug IDs: CSCvh48368.
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Analysis
by VulDB Data Team • 02/06/2020
The vulnerability identified as CVE-2018-0290 resides within the TCP stack implementation of Cisco SocialMiner, a customer engagement platform that processes social media interactions and manages communication channels including phone services. This weakness represents a critical flaw in the network protocol handling mechanism that governs how the system establishes and manages incoming connections. The vulnerability specifically manifests when the system encounters new TCP connections, indicating a fundamental issue in the connection establishment process that fails to properly validate or process incoming network traffic. The flaw operates at the transport layer of the OSI model, where TCP connection handling is managed, making it particularly dangerous as it can disrupt core communication services that depend on stable network connections. This vulnerability impacts the notification system of SocialMiner, which serves as a critical component for managing customer interactions and maintaining service availability across multiple communication channels.
The technical implementation of this vulnerability stems from inadequate state management and connection validation within the TCP stack processing logic. When the system receives malformed or specially crafted TCP packets, the connection handling mechanism fails to properly process these inputs, leading to system instability and potential service interruption. The flaw does not require authentication credentials or privileged access to exploit, making it particularly dangerous as any remote attacker can potentially trigger the vulnerability. The malicious TCP packet construction likely involves manipulating specific TCP header fields or sequence numbers that the vulnerable system does not properly validate or handle according to standard TCP protocol specifications. This represents a classic case of improper input validation and error handling, where the system fails to gracefully manage unexpected network conditions or malformed packets that could otherwise be safely rejected or handled without system disruption.
The operational impact of this vulnerability extends beyond simple service interruption to potentially compromise the entire customer engagement infrastructure that relies on SocialMiner for communication management. When exploited, the vulnerability can cause cascading failures in the notification system, affecting phone services that depend on the platform for customer interaction management. The disruption could result in missed customer communications, failed service alerts, and overall degradation of the platform's ability to manage social media and telephony interactions. The requirement for manual service restart indicates that the system does not have adequate recovery mechanisms to handle the connection processing failure, meaning that even after the malicious traffic ceases, the system remains unstable until administrative intervention occurs. This type of vulnerability aligns with CWE-129, which covers improper validation of input, and represents a significant risk to service availability and customer experience in enterprise communication platforms.
Organizations utilizing Cisco SocialMiner should implement immediate mitigation strategies to protect against exploitation of this vulnerability. Network segmentation and access control measures can help limit exposure by restricting direct access to the vulnerable service from untrusted networks. Implementing TCP stack hardening measures and ensuring proper network monitoring can help detect and prevent exploitation attempts before they cause service disruption. Regular security updates and patches from Cisco should be applied immediately upon availability to address the underlying TCP processing flaw. The vulnerability also highlights the importance of implementing robust intrusion detection systems that can identify unusual TCP connection patterns or malformed packets that may indicate exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to T1499.004, which covers network denial of service attacks, and T1595.001, covering reconnaissance for vulnerabilities in network infrastructure. Organizations should also consider implementing automated service monitoring to detect when notification systems become unresponsive, enabling faster recovery from DoS conditions and reducing the impact of such attacks on business operations.