CVE-2024-7348 is a high-severity vulnerability affecting PostgreSQL, specifically related to a Time-of-check Time-of-use (TOCTOU) race condition in the pg_dump utility. This vulnerability allows an object creator to execute arbitrary SQL functions with the privileges of the user running pg_dump, which is typically a superuser. The exploit involves replacing another relation type with a view or foreign table. Attackers can exploit this condition by waiting for pg_dump to start and can easily win the race condition if they retain an open transaction.
The CVSS score for this vulnerability is 8.8, categorizing it as high severity. The risk to organizations includes potential unauthorized access to sensitive data and the ability to perform operations that could compromise the integrity and availability of the database. Given the nature of the vulnerability, organizations should prioritize patching immediately.
There are currently no known exploits available in the wild, and PostgreSQL versions prior to 16.4, 15.8, 14.13, 13.16, and 12.20 are affected. Organizations running these versions should take immediate action to assess their risk and apply the necessary updates.
Given the high potential impact of this vulnerability, security teams must ensure that they are prepared to address it in their patch management processes.
Vulnerability Details
The vulnerability allows an object creator to execute arbitrary SQL functions as the user running pg_dump, which can result in significant security risks. The official CVE description states that this vulnerability is a Time-of-check Time-of-use (TOCTOU) race condition in pg_dump within PostgreSQL.
The severity level is assessed as high due to the CVSS score of 8.8, which indicates that the attack vector is network-based with low attack complexity, requiring only low privileges and no user interaction. The affected versions include PostgreSQL versions prior to 16.4, 15.8, 14.13, 13.16, and 12.20.
This vulnerability falls under the CWE classification CWE-367, which pertains to the race condition that can lead to unexpected behavior in software.
Technical Analysis
The root cause of this vulnerability is the TOCTOU race condition in the pg_dump utility of PostgreSQL. Attackers can exploit this by waiting for the pg_dump process to start and then replacing the targeted relation type with a view or foreign table, allowing them to execute arbitrary SQL functions.
The attack vector is network-based, meaning that attackers can initiate the attack remotely. The attack complexity is low, as the attacker needs only to retain an open transaction to successfully exploit the vulnerability. Privileges required are also low, allowing even minimally privileged users to potentially exploit this vulnerability.
User interaction is not required for this attack, and it can lead to high impacts on confidentiality, integrity, and availability of the database. Organizations need to be aware of these impacts when assessing their risk.
Risk & Impact Analysis
Risk to organizations includes potential unauthorized access to sensitive data, which could be exploited to perform unauthorized operations or execute malicious code. The blast radius of this vulnerability is significant, given the superuser privileges that can be exploited. Organizations should prioritize addressing this vulnerability in their patch cycle based on its high CVSS score and potential impact.
Given that the vulnerability is not actively exploited as of now, organizations should still treat it as a critical risk due to the high potential for exploitation if left unpatched. The urgency for remediation is classified as high, and organizations should address it in priority patch cycles.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to PostgreSQL 16.4, 15.8, 14.13, 13.16, and 12.20 are affected by this vulnerability. Organizations should evaluate their current PostgreSQL versions and take immediate action to upgrade to secure versions.
Mitigation & Remediation
Organizations should prioritize applying patches and updates provided by PostgreSQL to remediate this vulnerability. The specific versions to upgrade to are PostgreSQL 16.4, 15.8, 14.13, 13.16, and 12.20.
In the absence of a patch, organizations should consider implementing configuration hardening measures and network controls to mitigate the risk of exploitation. Regular monitoring for unusual database activity is also recommended to detect potential abuse of this vulnerability.
For further assistance, organizations can utilize our penetration testing services to identify similar weaknesses.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for indicators of unauthorized SQL function executions and any anomalies in database access patterns.
Behavioral anomalies such as unexpected database queries performed by users with limited privileges should be flagged for review. Network signatures can help identify unauthorized access attempts, and system changes should be closely monitored for signs of tampering.
AppSecure Threat Intelligence Insight
CVE-2024-7348 represents a significant concern for organizations utilizing PostgreSQL databases, emphasizing the importance of timely updates and security practices to mitigate risks associated with vulnerabilities in database management systems.
This vulnerability serves as a reminder of the potential impact of race conditions and the need for vigilance in monitoring and managing database security.
Security teams are encouraged to review their database configurations and implement a proactive approach to vulnerability management, including regular assessments and updates.
For more information on security best practices, organizations can refer to our guides on penetration testing methodology and vulnerability management program design to improve their security posture.
Known Exploitation Timeline
This section is not applicable as the vulnerability is not currently listed in the KEV database.
EPSS Risk Context
The EPSS score for CVE-2024-7348 is 0.0076, placing it in the 73rd percentile. This indicates a relatively low probability of exploitation in the near term, but organizations should not underestimate the risk associated with high-severity vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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