CVE-2007-3915 in Mondo
Summary
by MITRE
Mondo 2.24 has insecure handling of temporary files.
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Analysis
by VulDB Data Team • 02/05/2024
The vulnerability identified as CVE-2007-3915 affects Mondo backup software version 2.24 and represents a critical security flaw in how the application manages temporary files during its operation. This insecure handling creates a potential attack vector that could allow malicious actors to exploit the system by manipulating temporary files created during backup processes. The vulnerability stems from improper file permissions and lack of secure temporary file creation mechanisms within the software's architecture.
The technical implementation of this flaw involves Mondo's failure to properly secure temporary files that are created during backup operations. When the software generates temporary files, it often creates them with predictable names and insufficient access controls, allowing local users to potentially overwrite or manipulate these files before they are processed. This type of vulnerability falls under the CWE-377 category of insecure temporary file handling, where the software creates temporary files without adequate security measures to prevent unauthorized access or modification. The flaw specifically relates to the lack of proper file permission settings and the absence of secure file creation practices that would prevent race conditions or file replacement attacks.
From an operational perspective, this vulnerability poses significant risks to systems running Mondo 2.24, particularly in environments where backup operations are performed with elevated privileges. Attackers could potentially exploit this weakness to execute arbitrary code with the privileges of the backup process, which often runs with root or administrative permissions. The impact extends beyond simple file corruption as it could enable privilege escalation attacks where malicious users gain elevated system access through manipulation of temporary backup files. This vulnerability is particularly dangerous in multi-user environments where local attackers might attempt to exploit the insecure temporary file handling to compromise the entire system.
The mitigation strategies for CVE-2007-3915 should focus on implementing secure temporary file handling practices throughout the Mondo software. Organizations should ensure that all temporary files are created with proper permissions, using secure methods such as creating files with restrictive permissions and unique names that cannot be predicted by attackers. The software should be updated to version 2.25 or later, which includes fixes for this vulnerability. Additionally, system administrators should implement proper file system permissions and monitoring to detect unauthorized temporary file modifications. This vulnerability aligns with ATT&CK technique T1059.007 for execution through backup software and T1068 for privilege escalation through insecure file handling, making it a significant concern for enterprise security teams implementing backup and recovery processes. The remediation process should include comprehensive testing to ensure that temporary file handling has been properly secured and that no other similar vulnerabilities exist within the backup infrastructure.