CVE-2018-0606 in Pixelpost
Summary
by MITRE
SQL injection vulnerability in the Pixelpost v1.7.3 and earlier allows remote authenticated attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 02/22/2020
The vulnerability identified as CVE-2018-0606 represents a critical SQL injection flaw within Pixelpost version 1.7.3 and earlier installations. This vulnerability resides in the application's handling of user input within database queries, creating an exploitable condition that enables malicious actors to manipulate backend database operations. The flaw affects authenticated users who possess valid credentials within the application's access control framework, making it particularly concerning for environments where user privilege management is not properly enforced. The vulnerability's classification aligns with CWE-89 which specifically addresses SQL injection weaknesses in software applications. The attack vector leverages the application's insufficient input validation mechanisms that fail to properly sanitize or escape user-supplied data before incorporating it into SQL command structures.
The technical implementation of this vulnerability stems from the application's failure to employ proper parameterized queries or input sanitization techniques when processing user data. Attackers can exploit this weakness by crafting malicious input that gets directly incorporated into SQL statements without adequate filtering or escaping. This allows for the execution of arbitrary SQL commands against the underlying database system, potentially enabling data extraction, modification, or deletion operations. The authenticated nature of the attack requires that adversaries already possess valid user credentials, which reduces the initial attack surface but does not eliminate the severity of the vulnerability. The vulnerability's impact extends beyond simple data theft as it can enable privilege escalation, data manipulation, and potentially full system compromise depending on database permissions and access controls. The attack model follows typical SQL injection exploitation patterns where malicious payloads are constructed to manipulate database queries through injection points in the application's input processing logic.
From an operational perspective, this vulnerability presents significant risk to organizations utilizing affected Pixelpost installations as it enables attackers with legitimate user access to escalate their privileges and execute unauthorized database operations. The impact includes potential data loss, data corruption, unauthorized access to sensitive information, and possible service disruption. Organizations may face regulatory compliance violations and reputational damage if sensitive user data or business information becomes compromised through this vulnerability. The vulnerability's exploitation requires minimal technical expertise beyond basic understanding of SQL injection techniques, making it particularly dangerous for organizations with inadequate security monitoring or input validation controls. The authenticated requirement means that the vulnerability cannot be exploited by casual attackers without first obtaining valid credentials, but this does not mitigate the risk for organizations where credential compromise occurs through social engineering, password reuse, or other attack vectors. Security professionals should consider this vulnerability in the context of broader attack chains that may include initial access through credential compromise followed by privilege escalation through database manipulation.
Mitigation strategies for CVE-2018-0606 should focus on immediate application updates to versions that address the SQL injection vulnerability, as well as implementation of comprehensive input validation and parameterized query usage. Organizations should enforce the principle of least privilege for database access and implement robust monitoring of database activities to detect anomalous query patterns. The fix typically involves upgrading to Pixelpost versions that include proper input sanitization and parameterized query implementations, which directly addresses the CWE-89 weakness. Additional defensive measures include implementing web application firewalls, database activity monitoring, and regular security assessments to identify similar vulnerabilities in other application components. The remediation process should also include user access reviews and credential management policies to minimize the impact of authenticated attacks. Security teams should consider implementing the ATT&CK framework's detection methods for SQL injection attacks, which include monitoring for unusual database query patterns and unauthorized data access attempts. Organizations should also establish incident response procedures specifically addressing database compromise scenarios to ensure rapid response and containment of potential exploitation attempts.