CVE-2020-36642 in jobe
Summary
by MITRE • 01/09/2023
A vulnerability was found in trampgeek jobe up to 1.6.x and classified as critical. This issue affects the function run_in_sandbox of the file application/libraries/LanguageTask.php. The manipulation leads to command injection. Upgrading to version 1.7.0 is able to address this issue. The name of the patch is 8f43daf50c943b98eaf0c542da901a4a16e85b02. It is recommended to upgrade the affected component. The identifier VDB-217553 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 01/29/2023
The vulnerability identified as CVE-2020-36642 represents a critical command injection flaw within the trampgeek jobe platform version 1.6.x and earlier. This security weakness resides in the run_in_sandbox function located within the application/libraries/LanguageTask.php file, making it a prime target for attackers seeking to execute arbitrary commands on the affected system. The vulnerability classification as critical underscores the severe implications for system integrity and data security, as command injection attacks can enable full system compromise and unauthorized access to underlying infrastructure.
The technical exploitation of this vulnerability occurs through manipulation of the run_in_sandbox function which fails to properly sanitize user input before incorporating it into system commands. This lack of input validation creates an environment where malicious actors can inject harmful commands that will be executed within the sandboxed environment, potentially bypassing security controls designed to isolate execution contexts. The vulnerability directly maps to CWE-77, which specifically addresses command injection flaws in software systems, where insufficient input sanitization allows attackers to execute arbitrary commands through vulnerable interfaces.
From an operational perspective, this vulnerability poses significant risks to organizations utilizing the trampgeek jobe platform for code execution and testing environments. Attackers exploiting this flaw could gain unauthorized access to system resources, execute malicious code, escalate privileges, and potentially establish persistent backdoors within the infrastructure. The sandboxed nature of the environment, which is typically designed to provide security isolation, becomes compromised, allowing attackers to break out of containment boundaries and access underlying system components. This vulnerability directly aligns with ATT&CK technique T1059.001, which covers command and scripting interpreter execution, and T1078.004, which addresses valid accounts with elevated privileges.
The recommended mitigation strategy involves upgrading to version 1.7.0, which includes the patch identified by commit hash 8f43daf50c943b98eaf0c542da901a4a16e85b02. This upgrade addresses the root cause by implementing proper input sanitization and validation mechanisms within the run_in_sandbox function. Organizations should also consider implementing additional security controls such as network segmentation, monitoring for suspicious command execution patterns, and regular security assessments of the platform components. The patch demonstrates a proper fix approach by ensuring that user-supplied parameters are properly escaped or validated before being incorporated into system commands, thereby preventing the injection of malicious payloads that could compromise system integrity.