CVE-2007-1611 in IKANARI JIJYOU
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the RSS reader in a certain SOURCENEXT product, probably IKANARI JIJYOU 1.0.0 and 1.0.1, allows remote attackers to inject arbitrary web script or HTML via the title of an article in a feed.
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Analysis
by VulDB Data Team • 10/10/2017
The vulnerability identified as CVE-2007-1611 represents a classic cross-site scripting flaw within the RSS reader functionality of a proprietary product line known as SOURCENEXT, with specific affected versions including IKANARI JIJYOU 1.0.0 and 1.0.1. This vulnerability resides in the manner in which the application processes and displays RSS feed data, particularly focusing on the title field of articles within the feed. The flaw enables remote attackers to inject malicious web scripts or HTML content directly into the RSS reader interface, creating a persistent security risk for end users who consume these feeds. The vulnerability is categorized under CWE-79 as a failure to sanitize user input, specifically in the context of web application security where improper handling of untrusted data leads to code execution in the victim's browser context.
The technical mechanism of exploitation involves the attacker crafting an RSS feed containing malicious content within the article title field, which is then processed by the vulnerable RSS reader component without proper input validation or output encoding. When a user accesses this feed through the affected software, the malicious script executes within their browser session, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability demonstrates a clear failure in the principle of least privilege and proper input sanitization, as the application does not adequately filter or encode user-supplied content before rendering it in the web interface. This type of vulnerability falls under the ATT&CK technique T1566.001 for "Phishing with Spoofed Delivery", where the malicious payload is delivered through a seemingly legitimate RSS feed.
The operational impact of this vulnerability extends beyond simple data corruption, as it provides attackers with a vector for more sophisticated attacks including credential harvesting, browser-based malware delivery, and session manipulation. Users who regularly consume RSS feeds through the affected software become potential victims, with the attack surface expanding to include any organization or individual using these specific versions of the SOURCENEXT product line. The vulnerability is particularly concerning because RSS feeds are commonly used for news distribution, blog updates, and information sharing, making the attack vector highly prevalent and difficult to monitor comprehensively. Organizations relying on these products face significant risk of user compromise, potentially leading to data breaches or unauthorized access to sensitive systems where users may have elevated privileges or access to confidential information.
Mitigation strategies for this vulnerability should focus on immediate remediation through software updates provided by the vendor, as well as implementing input validation and output encoding mechanisms within the application layer. Organizations should consider deploying web application firewalls that can detect and block XSS patterns in feed content, while also implementing strict content security policies to prevent script execution in the RSS reader context. The vulnerability highlights the importance of proper input validation and output encoding as fundamental security controls, with recommendations aligning with OWASP Top 10 security practices and the principle of defense in depth. Additionally, security awareness training for users about the risks of consuming RSS feeds from untrusted sources can serve as an additional protective measure, though this approach is considered less robust than proper technical controls. The affected versions of IKANARI JIJYOU should be immediately upgraded to patched versions, and administrators should conduct thorough inventory checks to identify all systems running vulnerable software to ensure comprehensive remediation across the organization.