CVE-2022-23865 in Nyron
Summary
by MITRE • 04/15/2022
Nyron 1.0 is affected by a SQL injection vulnerability through Nyron/Library/Catalog/winlibsrch.aspx. To exploit this vulnerability, an attacker must inject '"> on the thes1 parameter.
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Analysis
by VulDB Data Team • 04/21/2022
The vulnerability identified as CVE-2022-23865 affects Nyron 1.0, a web application that appears to be a catalog management system. This issue manifests as a SQL injection vulnerability within the Nyron/Library/Catalog/winlibsrch.aspx component, which serves as a search interface for library catalog data. The flaw specifically occurs when processing user input through the thes1 parameter, indicating that this parameter is directly incorporated into database queries without proper sanitization or parameterization mechanisms. This type of vulnerability represents a critical security weakness that can allow attackers to manipulate database operations through malicious input.
The technical exploitation of this vulnerability requires minimal input manipulation, specifically injecting the character sequence '"> into the thes1 parameter. This injection pattern suggests that the application fails to properly escape or validate user-supplied data before incorporating it into SQL query strings. The vulnerability stems from inadequate input validation and sanitization practices, where user-provided values are directly concatenated into SQL commands rather than being properly parameterized or escaped. This represents a classic SQL injection flaw that falls under CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable attackers to execute arbitrary database commands with the privileges of the database user account. An attacker could potentially extract sensitive information including user credentials, personal data, or system configuration details from the underlying database. The vulnerability's presence in a library catalog system raises particular concerns as such applications often contain valuable bibliographic data, user records, and potentially sensitive information about library patrons and their reading habits. The attack surface is further expanded by the fact that this vulnerability is accessible through a web interface, making it remotely exploitable without requiring local system access.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The primary solution involves implementing proper input validation and parameterized queries throughout the application code, ensuring that all user-supplied data is properly sanitized before database interaction. This approach aligns with the ATT&CK framework's defense evasion techniques and represents a fundamental security control that should be applied to all database interactions. Organizations should also implement web application firewalls to detect and block malicious SQL injection attempts, while establishing comprehensive logging and monitoring to identify potential exploitation attempts. Additionally, regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities across the entire application stack, as this type of flaw often indicates broader security gaps in the software development lifecycle.