CVE-2011-2467 in Likewise Open
Summary
by MITRE
SQL injection vulnerability in lsassd in Lsass in the Likewise Security Authority in Likewise Open 5.4 through 6.1, and Likewise Enterprise 6.0, allows local users to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 11/15/2021
The vulnerability identified as CVE-2011-2467 represents a critical SQL injection flaw within the lsassd component of Likewise Security Authority implementations. This vulnerability exists in versions of Likewise Open ranging from 5.4 through 6.1 and Likewise Enterprise 6.0, creating a persistent security risk for organizations utilizing these authentication services. The lsassd process serves as a critical component in Windows domain authentication and credential management, making this vulnerability particularly dangerous as it operates at a fundamental level of system security infrastructure.
The technical nature of this vulnerability stems from improper input validation within the SQL query construction mechanisms used by the Likewise Security Authority. Local attackers with access to the system can exploit this weakness through unspecified vectors to inject malicious SQL commands directly into the authentication processing pipeline. This flaw falls under the CWE-89 category of SQL Injection, where insufficient sanitization of user-supplied data allows attackers to manipulate database queries. The vulnerability specifically affects the authentication and authorization functions that rely on SQL databases for credential storage and verification processes.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with the ability to execute arbitrary SQL commands against the underlying database systems. This capability enables comprehensive data exfiltration, credential compromise, and potential system-wide compromise through database manipulation. Attackers could potentially access sensitive user credentials, modify authentication records, or even gain elevated privileges within the domain environment. The local user requirement for exploitation suggests that the attack vector involves either legitimate user access or privilege escalation to a local account, making the vulnerability particularly concerning in environments where local access controls are not properly enforced.
Organizations affected by this vulnerability should implement immediate mitigations including applying the vendor-provided patches and updates for Likewise Open and Likewise Enterprise versions. System administrators must also review and strengthen local access controls to limit potential attack surfaces. The vulnerability demonstrates the importance of input validation and proper database query construction practices as outlined in the OWASP Top Ten security guidelines. Security monitoring should focus on unusual database access patterns and authentication failures that might indicate exploitation attempts. Additionally, implementing network segmentation and privilege separation can help contain potential impacts if exploitation occurs, aligning with the principle of least privilege as recommended in NIST cybersecurity frameworks and the MITRE ATT&CK framework's defense evasion techniques.