CVE-2007-4575 in OpenOffice
Summary
by MITRE
HSQLDB before 1.8.0.9, as used in OpenOffice.org (OOo) 2 before 2.3.1, allows user-assisted remote attackers to execute arbitrary Java code via crafted database documents, related to "exposing static java methods."
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Analysis
by VulDB Data Team • 08/01/2019
The vulnerability identified as CVE-2007-4575 represents a critical security flaw in HSQLDB database engine versions prior to 1.8.0.9 which was extensively used within OpenOffice.org 2 before version 2.3.1. This vulnerability stems from the improper handling of static Java methods within the database context, creating an avenue for malicious exploitation that could result in arbitrary code execution. The flaw specifically manifests when crafted database documents are processed, allowing attackers to leverage the exposed static Java methods to execute unauthorized Java code on the target system.
The technical implementation of this vulnerability involves the exposure of static Java methods within the HSQLDB environment, which creates a dangerous attack surface when database documents containing malicious payloads are processed. According to CWE-502, this represents a deserialization vulnerability where untrusted data is deserialized without proper validation, allowing attackers to manipulate the execution flow of the Java Virtual Machine. The vulnerability operates through a user-assisted remote attack vector, meaning that an attacker must convince a user to open a specially crafted database document, but once executed, the malicious code can run with the privileges of the affected application.
The operational impact of this vulnerability is severe as it allows remote code execution capabilities that could lead to complete system compromise. Attackers could potentially gain unauthorized access to sensitive data, escalate privileges, or establish persistent backdoors within the affected systems. The vulnerability affects not just individual database instances but entire OpenOffice.org deployments where HSQLDB is utilized, creating widespread exposure across organizations that relied on these versions. This type of vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter and T1078.004 for valid accounts, as successful exploitation could enable attackers to execute commands and maintain access through legitimate application interfaces.
Mitigation strategies for CVE-2007-4575 primarily focus on upgrading to patched versions of HSQLDB and OpenOffice.org where the vulnerability has been resolved. Organizations should implement strict document validation procedures and disable automatic execution of database documents from untrusted sources. Network segmentation and access controls should be enforced to limit exposure, while regular security audits should verify that no vulnerable versions remain in production environments. The vulnerability demonstrates the importance of proper input validation and the dangers of exposing internal Java methods to external interfaces, emphasizing the need for principle of least privilege in database configurations. Additionally, organizations should establish robust patch management processes to ensure timely remediation of such vulnerabilities and maintain awareness of the evolving threat landscape surrounding database security.