CVE-2009-1909 in Skip
Summary
by MITRE
SQL injection vulnerability in Skip 1.0.2 and earlier, and 1.1RC2 and earlier 1.1RC versions, allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 11/10/2018
The vulnerability identified as CVE-2009-1909 represents a critical SQL injection flaw affecting Skip software versions 1.0.2 and earlier, as well as 1.1RC2 and earlier 1.1RC versions. This vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses SQL injection attacks where untrusted data is incorporated into SQL commands without proper sanitization or validation. The flaw enables remote attackers to execute arbitrary SQL commands against the underlying database system, potentially leading to complete system compromise and unauthorized data access.
The technical nature of this vulnerability stems from inadequate input validation and sanitization mechanisms within the Skip application's database interaction components. Attackers can exploit this weakness through unspecified vectors that likely involve manipulation of user-supplied parameters that are directly incorporated into SQL queries. These vectors may include form inputs, URL parameters, or API endpoints that do not properly escape or parameterize user data before database processing. The vulnerability's remote exploitability means that attackers do not require local system access or authentication to leverage the flaw, making it particularly dangerous in web-facing applications.
The operational impact of CVE-2009-1909 extends beyond simple data theft, as successful exploitation can result in complete database compromise, unauthorized user account creation, data modification or deletion, and potential lateral movement within affected networks. Organizations using vulnerable Skip versions face significant risk of data breaches, regulatory compliance violations, and operational disruption. The vulnerability's classification aligns with ATT&CK technique T1190 which describes exploitation of remote services for initial access and privilege escalation. Database compromise through SQL injection can lead to further attacks leveraging techniques such as T1078 for account access and T1046 for network reconnaissance.
Mitigation strategies for this vulnerability require immediate patching of affected Skip versions to the latest stable releases that contain proper input validation and sanitization measures. Organizations should implement proper parameterized queries and prepared statements to prevent SQL injection, while also deploying web application firewalls and input validation controls. The remediation process should include comprehensive security testing of all database interactions and implementation of principle of least privilege for database accounts. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems. Organizations should also consider implementing database activity monitoring and intrusion detection systems to detect potential exploitation attempts and provide early warning capabilities.