CVE-2008-1633 in Rescue
Summary
by MITRE
Unspecified vulnerability in Mondo Rescue before 2.2.5 has unknown impact and attack vectors, related to the use of (1) /tmp and (2) MINDI_CACHE.
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Analysis
by VulDB Data Team • 09/22/2018
The vulnerability identified as CVE-2008-1633 affects Mondo Rescue versions prior to 2.2.5 and represents a security flaw related to improper handling of temporary file locations and cache directories. This unspecified vulnerability manifests through the use of insecure temporary directories including /tmp and MINDI_CACHE, which creates potential attack vectors that could be exploited by malicious actors to compromise system integrity. The vulnerability stems from inadequate security controls around temporary file management and cache handling within the backup and recovery software ecosystem.
The technical flaw in Mondo Rescue stems from its reliance on world-writable temporary directories such as /tmp and the MINDI_CACHE environment variable without proper access control mechanisms. When applications create temporary files in these locations, they become susceptible to race conditions and privilege escalation attacks. Attackers can exploit this by creating symbolic links or hard links in the temporary directories to manipulate the execution flow of the backup process or gain elevated privileges. This type of vulnerability aligns with CWE-377, which addresses insecure temporary file creation, and CWE-378, concerning the creation of temporary files with insecure permissions. The flaw represents a classic example of insufficient input validation and improper privilege management in system utilities.
The operational impact of this vulnerability extends beyond simple data compromise to potentially enable full system takeover by malicious actors. When Mondo Rescue operates in environments where attackers might have access to the system, they can leverage the insecure temporary file handling to execute arbitrary code with elevated privileges. This risk is particularly significant in enterprise environments where backup utilities are often run with administrative privileges, creating a substantial attack surface. The vulnerability affects systems that rely on Mondo Rescue for disaster recovery operations, potentially allowing attackers to corrupt backup data or gain persistent access to compromised systems. The attack vectors remain unspecified but typically involve privilege escalation techniques that exploit the insecure temporary file creation patterns within the software's execution environment.
Mitigation strategies for CVE-2008-1633 require immediate patching of Mondo Rescue installations to version 2.2.5 or later, which addresses the insecure temporary file handling issues. Organizations should also implement strict access controls on temporary directories and ensure that backup utilities run with minimal required privileges. System administrators should audit existing installations for potential exploitation opportunities and consider implementing file system monitoring to detect unauthorized modifications to temporary directories. The remediation process should include verifying that temporary file creation uses secure methods with proper permissions and that the MINDI_CACHE environment variable is properly validated before use. Additionally, organizations should implement the principle of least privilege for backup operations and regularly review temporary file management practices within their security configurations. This vulnerability highlights the importance of proper temporary file handling practices and aligns with ATT&CK technique T1059 for execution through backup utilities, emphasizing the need for comprehensive security controls around system recovery tools.