CVE-2013-4137 in StatusNet
Summary
by MITRE
Multiple SQL injection vulnerabilities in StatusNet 1.0 before 1.0.2 and 1.1.0 allow remote attackers to execute arbitrary SQL commands via vectors related to user lists and "a particular tag format."
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Analysis
by VulDB Data Team • 03/01/2019
The vulnerability identified as CVE-2013-4137 represents a critical security flaw affecting StatusNet versions prior to 1.0.2 and 1.1.0, where multiple SQL injection vulnerabilities exist that enable remote attackers to execute arbitrary SQL commands. This vulnerability stems from inadequate input validation and sanitization within the application's handling of user lists and specific tag formats, creating pathways for malicious actors to manipulate database queries through crafted inputs. The flaw specifically targets the application's interaction with database systems, where user-supplied data is not properly escaped or parameterized before being incorporated into SQL statements.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a weakness where untrusted data is directly incorporated into SQL queries without proper sanitization. Attackers can exploit this by crafting malicious inputs that manipulate the SQL execution flow, potentially gaining unauthorized access to database contents, modifying or deleting information, or even executing administrative commands on the underlying database system. The vulnerability affects both user list functionality and specific tag format handling, indicating that the sanitization mechanisms are insufficient across multiple data entry points within the application's data processing pipeline.
The operational impact of CVE-2013-4137 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive user information. Remote attackers can leverage this vulnerability to bypass authentication mechanisms, escalate privileges, and potentially establish persistent access to the affected system. The attack surface is particularly concerning given that StatusNet is a social networking platform that handles user-generated content, making the potential for data exfiltration and system manipulation significant. The vulnerability's presence in both major version branches indicates a fundamental flaw in the application's security architecture rather than a simple oversight.
Mitigation strategies should prioritize immediate patching of affected StatusNet installations to version 1.0.2 or 1.1.0, which contain the necessary security fixes. Additionally, implementing proper input validation and parameterized queries should be enforced across all database interactions, following the principle of least privilege for database accounts. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts. The vulnerability demonstrates the importance of adhering to secure coding practices and regular security assessments, as outlined in the ATT&CK framework's application layer exploitation techniques, particularly those targeting database access and information disclosure capabilities.