CVE-2016-1143 in Vine
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in main.rb in Vine MV before 2015-11-08 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 07/06/2022
The vulnerability identified as CVE-2016-1143 represents a cross-site scripting flaw located in the main.rb file of Vine MV software prior to the 2015-11-08 release. This represents a critical security weakness that enables remote attackers to execute malicious scripts within the context of a victim's browser session. The vulnerability stems from insufficient input validation and output encoding mechanisms within the application's core processing logic, creating an attack surface where malicious payloads can be injected and subsequently executed without proper sanitization.
The technical exploitation of this vulnerability occurs through unspecified vectors that likely involve user-controllable input parameters being directly incorporated into web responses without adequate sanitization. This allows attackers to craft malicious input that gets rendered as executable JavaScript code within the victim's browser environment. The flaw falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that has been consistently identified as one of the most prevalent vulnerabilities in web applications. Attackers can leverage this vulnerability to perform session hijacking, deface web pages, steal sensitive information, or redirect users to malicious sites.
The operational impact of CVE-2016-1143 extends beyond simple script execution as it compromises the integrity and confidentiality of user sessions within the Vine MV application. When exploited, this vulnerability enables attackers to manipulate the application's behavior in ways that can persist across multiple user interactions and sessions. The vulnerability affects the application's ability to maintain secure user contexts and can lead to unauthorized access to sensitive data or system resources. This type of vulnerability is particularly dangerous because it can be exploited through various attack vectors including email links, web forms, or even through social engineering techniques that prompt users to visit malicious pages containing the exploit code.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. The most effective approach involves sanitizing all user inputs and properly escaping output data before rendering it in web responses. Security measures should include implementing Content Security Policy headers, utilizing parameterized queries, and establishing proper input sanitization routines. Organizations should also consider implementing web application firewalls to detect and block suspicious script injection attempts, while conducting regular security audits to identify and remediate similar vulnerabilities. The vulnerability demonstrates the importance of following secure coding practices and adhering to the principle of least privilege in web application development, as outlined in various cybersecurity frameworks including those recommended by the OWASP organization. Additionally, regular security updates and patch management processes are essential to prevent exploitation of known vulnerabilities in legacy systems.