CVE-2017-3828 in Unified Communications Manager
Summary
by MITRE
A vulnerability in the web-based management interface of Cisco Unified Communications Manager Switches could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. More Information: CSCvb98777. Known Affected Releases: 11.0(1.10000.10) 11.5(1.10000.6). Known Fixed Releases: 11.0(1.23063.1) 11.5(1.12029.1) 11.5(1.12900.11) 11.5(1.12900.21) 11.6(1.10000.4) 12.0(0.98000.156) 12.0(0.98000.178) 12.0(0.98000.369) 12.0(0.98000.470) 12.0(0.98000.536) 12.0(0.98000.6) 12.0(0.98500.6).
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Analysis
by VulDB Data Team • 12/25/2024
Cisco Unified Communications Manager Switches contain a cross-site scripting vulnerability in their web-based management interface that enables unauthenticated remote attackers to execute malicious scripts against unsuspecting users. This vulnerability stems from insufficient input validation and output encoding within the web interface components that handle user-supplied data. The flaw allows attackers to inject malicious JavaScript code through carefully crafted input fields or parameters that are then executed in the context of the victim's browser session. The affected versions include specific releases from the 11.0 and 11.5 release lines, with multiple fixed versions available that address this security gap. This vulnerability directly maps to CWE-79, which specifically addresses cross-site scripting flaws in web applications, and represents a significant risk to the confidentiality and integrity of the communication environment. The attack vector is particularly concerning as it requires no authentication, making it accessible to any remote user who can reach the web interface. The impact extends beyond simple script execution, as successful exploitation could enable attackers to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious sites. Organizations using these switches face potential data breaches, privilege escalation, and unauthorized access to sensitive communication systems. The vulnerability affects the management interface specifically, which means that attackers could potentially compromise the administrative capabilities of the communication infrastructure. According to ATT&CK framework, this represents a technique categorized under T1059.007 for script injection and T1566 for phishing, as the exploitation relies on user interaction with malicious content. The remediation strategy involves applying the vendor-provided security patches to the affected releases, which typically include enhanced input sanitization and output encoding mechanisms. Network segmentation and access controls can provide additional defense-in-depth measures, though the most effective mitigation remains the timely application of security updates. The vulnerability demonstrates the critical importance of validating all user inputs and properly encoding output data in web applications, particularly in management interfaces that are exposed to potential attackers. Organizations should conduct comprehensive vulnerability assessments to identify all instances of affected software and ensure that all systems receive the necessary security updates to prevent exploitation. The presence of this vulnerability in telecommunications infrastructure highlights the need for robust security practices in critical communication systems where unauthorized access could have severe operational and security implications.