CVE-2007-0799 in Ublog Reload
Summary
by MITRE
SQL injection vulnerability in badword.asp in Ublog Reload 1.0.5 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 10/08/2017
The CVE-2007-0799 vulnerability represents a critical SQL injection flaw discovered in the badword.asp component of Ublog Reload version 1.0.5, a web-based blogging platform. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection weaknesses in software applications. The flaw exists within the application's input validation mechanisms, where user-supplied data is not properly sanitized before being incorporated into database query strings. The vulnerability is particularly dangerous because it allows remote attackers to execute arbitrary SQL commands without requiring authentication or specific privileges, making it an attractive target for malicious actors seeking to compromise the underlying database infrastructure.
The technical exploitation of this vulnerability occurs through unspecified vectors within the badword.asp script, which likely processes user input for word filtering or moderation purposes. When an attacker crafts malicious input containing SQL payload sequences, the application fails to properly escape or parameterize the input before incorporating it into SQL statements. This oversight enables attackers to manipulate the database query execution flow, potentially allowing them to extract sensitive information, modify database contents, or even gain unauthorized access to the database server. The vulnerability's remote nature means that attackers can exploit it from outside the network perimeter, significantly expanding the attack surface and reducing the effectiveness of network-based security controls.
The operational impact of CVE-2007-0799 extends beyond simple data compromise, as successful exploitation can lead to complete database server takeover and potential lateral movement within the network infrastructure. Attackers may leverage this vulnerability to escalate privileges, extract user credentials, modify blog content, or even use the compromised system as a pivot point for attacking other systems within the organization. The vulnerability directly violates several security principles including the principle of least privilege and input validation, as the application fails to properly validate and sanitize user-provided data before processing it within the database context. Organizations running Ublog Reload 1.0.5 are particularly vulnerable because the application likely lacks proper database access controls and input sanitization measures that would normally prevent such attacks from succeeding.
Mitigation strategies for this vulnerability should prioritize immediate patching and remediation efforts, as the vulnerability has been known for over a decade and multiple remediation options exist. The most effective approach involves implementing proper parameterized queries or prepared statements throughout the application codebase, ensuring that user input is never directly concatenated into SQL commands. Additionally, input validation and sanitization mechanisms should be strengthened to filter out potentially malicious SQL characters and sequences. Organizations should also implement database-level security measures including restricted database user permissions, query execution monitoring, and regular security audits. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control communications and privilege escalation, while the exploitation aligns with initial access and execution tactics that leverage application-level weaknesses to achieve broader system compromise. The vulnerability serves as a prime example of why regular security assessments and timely patch management are critical components of any comprehensive cybersecurity strategy, as the exploitation of such flaws can result in significant data breaches and system compromises that could have been easily prevented through proper security controls.