CVE-2015-5036 in Connections
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in IBM Connections 3.x before 3.0.1.1 CR3, 4.0 before CR4, 4.5 before CR5, and 5.0 before CR3 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL, a different vulnerability than CVE-2015-5035.
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Analysis
by VulDB Data Team • 05/26/2018
The vulnerability identified as CVE-2015-5036 represents a critical cross-site scripting flaw within IBM Connections software across multiple version branches. This security weakness affects IBM Connections 3.x systems prior to 3.0.1.1 CR3, 4.0 versions before CR4, 4.5 versions before CR5, and 5.0 versions before CR3. The vulnerability specifically enables remote authenticated attackers to execute malicious web scripts or HTML code through the manipulation of crafted URLs, distinguishing it from related vulnerabilities such as CVE-2015-5035 that may affect different attack vectors within the same software ecosystem.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding mechanisms within the IBM Connections platform. When authenticated users navigate to specially crafted URLs containing malicious payloads, the application fails to properly sanitize or escape user-supplied data before rendering it in web responses. This processing gap creates an opportunity for attackers to inject malicious scripts that execute within the context of other users' browsers, potentially compromising session cookies, stealing sensitive information, or performing unauthorized actions on behalf of victims. The vulnerability operates at the application layer and specifically targets the web interface components of IBM Connections, which are designed to handle user-generated content and URL parameters.
The operational impact of CVE-2015-5036 extends beyond simple script injection, as it can enable sophisticated attack chains that leverage the authenticated user context. Attackers who successfully exploit this vulnerability can manipulate the web application's behavior to perform actions such as accessing restricted resources, modifying user profiles, or even escalating privileges within the system. The authenticated nature of the attack means that malicious actors need only compromise a legitimate user account to exploit the vulnerability, making it particularly dangerous in enterprise environments where user accounts are frequently used for accessing collaborative platforms. This vulnerability also aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications and can be categorized under ATT&CK technique T1059.006 for scripting languages, as it enables attackers to execute code within the victim's browser context.
Organizations affected by this vulnerability should implement immediate mitigation strategies including applying the vendor-provided patches and updates for IBM Connections across all affected version branches. The recommended approach involves upgrading to the patched versions of IBM Connections as specified in the vendor advisory, which typically includes enhanced input validation and output encoding mechanisms to prevent malicious script injection. Network administrators should also consider implementing additional security controls such as web application firewalls that can detect and block suspicious URL patterns, along with regular security monitoring to identify potential exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify any other instances of similar vulnerabilities within the broader IBM Connections deployment and ensure that proper input sanitization processes are implemented across all user-facing web interfaces to prevent similar issues from occurring in the future.