CVE-2019-13624 : Exploit Details and Defense Strategies
Learn about CVE-2019-13624, a vulnerability in ONOS 1.15.0 that mishandles backquote characters in shell commands, potentially allowing attackers to execute arbitrary commands. Find mitigation steps and prevention measures here.
ONOS 1.15.0 mishandles backquote characters in shell commands in YangWebResource.java.
Understanding CVE-2019-13624
What is CVE-2019-13624?
In ONOS 1.15.0, a vulnerability exists in the handling of backquote characters within strings that can be used in a shell command.
The Impact of CVE-2019-13624
This vulnerability could potentially allow an attacker to execute arbitrary shell commands.
Technical Details of CVE-2019-13624
Vulnerability Description
The issue occurs in YangWebResource.java in ONOS 1.15.0 due to mishandling of backquote characters within strings that can be used in shell commands.
Affected Systems and Versions
- Affected Version: ONOS 1.15.0
Exploitation Mechanism
The mishandling of backquote characters could be exploited by an attacker to inject and execute malicious shell commands.
Mitigation and Prevention
Immediate Steps to Take
- Update ONOS to a patched version that addresses the vulnerability.
- Avoid using shell commands with user-controlled input.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement input validation to sanitize user inputs and prevent command injection attacks.
Patching and Updates
Ensure that ONOS is regularly updated to the latest version with security patches.