CVE-2008-3828 in condor
Summary
by MITRE
Stack-based buffer overflow in the condor_ schedd daemon in Condor before 7.0.5 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors.
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Analysis
by VulDB Data Team • 08/18/2019
The vulnerability identified as CVE-2008-3828 represents a critical stack-based buffer overflow affecting the condor_schedd daemon within the Condor distributed computing system. This flaw exists in versions prior to 7.0.5 and demonstrates a fundamental weakness in input validation and memory management practices. The condor_schedd daemon serves as the central scheduling component responsible for managing job submission, scheduling, and resource allocation within Condor clusters, making it a prime target for exploitation attempts. The buffer overflow vulnerability manifests when the daemon processes malformed input data, leading to potential system compromise through either denial of service or arbitrary code execution.
The technical nature of this vulnerability stems from improper bounds checking within the condor_schedd daemon's code handling mechanisms. Attackers can exploit this weakness by crafting specific input payloads that exceed the allocated stack buffer space, causing memory corruption that results in program termination or unpredictable behavior. This type of vulnerability falls under CWE-121, stack-based buffer overflow, which is classified as a critical weakness in software security. The exploitation vector remains unspecified in the original CVE description, indicating that the precise method of triggering the overflow was not fully detailed at the time of discovery, though such vulnerabilities typically arise from insufficient input validation or improper use of string handling functions.
From an operational perspective, this vulnerability presents significant risks to distributed computing environments that rely on Condor for job scheduling and resource management. The potential for denial of service means that attackers could disrupt critical computational workflows, causing service interruptions that may impact research projects, scientific computing tasks, or enterprise workloads. The possibility of arbitrary code execution escalates the threat level considerably, as successful exploitation could allow attackers to gain control over the affected system, potentially leading to complete compromise of the computing cluster. Organizations utilizing Condor versions prior to 7.0.5 face substantial exposure to these risks, particularly in environments where the schedd daemon is accessible to untrusted users or networks.
The mitigation strategy for CVE-2008-3828 primarily involves immediate upgrading to Condor version 7.0.5 or later, which contains the necessary patches to address the buffer overflow vulnerability. System administrators should also implement network segmentation to limit access to the condor_schedd daemon and employ monitoring solutions to detect potential exploitation attempts. Additionally, following the principle of least privilege and ensuring that only authorized users can submit jobs to the schedd daemon reduces the attack surface. This vulnerability aligns with ATT&CK technique T1203, Exploitation for Client Execution, as it represents a classic software exploitation vector that can lead to privilege escalation and system compromise. Organizations should also consider implementing intrusion detection systems and regular security assessments to identify and remediate similar vulnerabilities in their distributed computing infrastructure. The remediation process should include thorough testing of the updated software to ensure compatibility with existing workflows while maintaining the security posture of the computing environment.