CVE-2007-0277 in Oracle
Summary
by MITRE
Unspecified vulnerability in Oracle Database client-only 10.1.0.4 has unknown impact and attack vectors related to the Export component and expdp or impdp, aka DB11.
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Analysis
by VulDB Data Team • 08/17/2018
The vulnerability identified as CVE-2007-0277 represents a security weakness within Oracle Database client software version 10.1.0.4 that specifically affects the Export and Import Data Pump components. This issue falls under the broader category of database security flaws that can potentially compromise the integrity and confidentiality of enterprise data systems. The vulnerability is classified as client-only, meaning it affects the client-side components rather than the database server itself, though the implications for data security remain significant. The Export Data Pump (expdp) and Import Data Pump (impdp) utilities are critical tools for database administrators to manage data migration and backup operations, making this vulnerability particularly concerning for organizations relying on these functionalities. The unspecified nature of both the impact and attack vectors indicates that the exact scope of exploitation was not fully documented at the time of reporting, creating uncertainty for security professionals attempting to assess risk levels.
The technical flaw within Oracle Database client 10.1.0.4 stems from inadequate input validation and potential buffer overflow conditions within the Export and Import Data Pump components. These utilities handle complex data structures and metadata during database operations, and the vulnerability likely manifests when processing malformed or specially crafted input data through the expdp or impdp commands. The weakness could enable attackers to manipulate the data pump utilities to execute arbitrary code or cause denial of service conditions. The vulnerability's classification as related to the Export component suggests that the issue may involve improper handling of export metadata, while the connection to Import Data Pump indicates potential problems during data ingestion processes. The attack surface is expanded by the fact that these utilities are commonly used by database administrators and application developers for routine operations, increasing the likelihood of exploitation through legitimate administrative activities.
The operational impact of CVE-2007-0277 extends beyond simple data corruption or service disruption, as it represents a potential entry point for more sophisticated attacks within enterprise networks. Organizations utilizing Oracle Database client software may face unauthorized access to sensitive data, privilege escalation opportunities, or complete system compromise depending on the specific exploitation method. The vulnerability affects the Export Data Pump (expdp) and Import Data Pump (impdp) utilities, which are fundamental components for database administration tasks such as database migration, backup restoration, and data warehouse operations. Security incidents resulting from this vulnerability could lead to significant business disruption, regulatory compliance violations, and financial losses. The client-only nature of the vulnerability means that organizations must ensure all client systems are properly patched, as attackers could potentially exploit this weakness from workstations or development environments where these utilities are installed.
Mitigation strategies for CVE-2007-0277 should focus on immediate patching of Oracle Database client installations to version 10.1.0.5 or later, which contains the necessary security fixes. Organizations should implement network segmentation to limit access to database client systems and restrict the execution of expdp and impdp utilities to authorized personnel only. The principle of least privilege should be enforced when configuring database user permissions, particularly for accounts that have access to data pump utilities. Regular security assessments and vulnerability scanning should be conducted to identify unpatched systems within the enterprise environment. Additionally, monitoring and logging of data pump utility usage can help detect anomalous activities that may indicate exploitation attempts. The vulnerability aligns with CWE-125, which covers out-of-bounds read conditions, and may also relate to CWE-119, concerning weaknesses in memory management. From an ATT&CK framework perspective, this vulnerability could map to techniques involving privilege escalation and defense evasion, particularly when exploitation leads to unauthorized data access or system manipulation through legitimate administrative tools. Organizations should also consider implementing application whitelisting policies to prevent execution of unauthorized versions of Oracle client utilities.