CVE-2016-0308 in Connections
Summary
by MITRE
IBM Connections 5.5 and earlier is vulnerable to possible link manipulation attack that could result in the display of inappropriate background images.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 02/09/2017
IBM Connections 5.5 and earlier versions contain a vulnerability classified as CVE-2016-0308 that exposes the platform to link manipulation attacks potentially leading to the display of inappropriate background images. This weakness falls under the broader category of insecure direct object references and can be categorized as CWE-20, which represents insecure input handling. The vulnerability arises from insufficient validation of user-supplied data when processing link references within the application's content management system. Attackers can exploit this flaw by crafting malicious URLs or link parameters that bypass normal access controls and content filtering mechanisms. The vulnerability specifically affects the background image rendering functionality within the IBM Connections environment, which is commonly used for customizing user interfaces and content presentation.
The technical implementation of this vulnerability stems from the application's failure to properly sanitize and validate external link references before incorporating them into background image display operations. When users create or modify content within IBM Connections, the system processes various media elements including background images. The insufficient input validation allows attackers to inject malicious URLs that point to external resources hosting inappropriate or harmful content. This manipulation can occur through various entry points including document sharing, blog posts, or community content management features where users can specify image sources. The vulnerability demonstrates poor security practices in handling user-controllable input data, particularly in web applications that dynamically render content based on external references.
The operational impact of this vulnerability extends beyond simple visual manipulation to potentially compromise user experience and organizational security posture. Organizations using IBM Connections 5.5 or earlier versions face risks of displaying inappropriate content to end users, which could include explicit material, malicious advertisements, or content that violates company policies. The vulnerability also presents potential risks for phishing attacks where attackers could use the background image functionality to display misleading content that appears to originate from trusted internal sources. Additionally, the presence of such a flaw may indicate broader security weaknesses within the application's input handling and content management systems, potentially exposing other components to similar manipulation attacks.
Organizations should implement immediate mitigations including upgrading to IBM Connections 6.0 or later versions where this vulnerability has been addressed through improved input validation and content filtering mechanisms. System administrators should also deploy additional security controls such as web application firewalls that can monitor and filter malicious link references before they reach the application layer. The implementation of strict content security policies that restrict external image sources and enforce internal verification of all media elements represents a recommended defensive approach. Organizations should also conduct comprehensive security assessments to identify other potential vulnerabilities in their IBM Connections deployment, particularly focusing on input validation mechanisms and user access controls. The vulnerability aligns with attack techniques described in the MITRE ATT&CK framework under the 'Web Application Attack' category, specifically targeting content injection and user interface manipulation tactics.