CVE-2017-7175 : What You Need to Know
Learn about CVE-2017-7175, a vulnerability in NfSen allowing remote attackers to execute unauthorized OS commands. Find out how to mitigate and prevent exploitation.
NfSen before version 1.3.8 allows remote attackers to execute unauthorized OS commands by exploiting shell metacharacters in the customfmt parameter.
Understanding CVE-2017-7175
Remote attackers can exploit NfSen versions before 1.3.8 by using shell metacharacters in the customfmt parameter to execute unauthorized OS commands.
What is CVE-2017-7175?
This CVE refers to a vulnerability in NfSen that allows attackers to execute arbitrary OS commands through specific parameters.
The Impact of CVE-2017-7175
The vulnerability enables remote attackers to execute unauthorized OS commands, potentially leading to system compromise and unauthorized access.
Technical Details of CVE-2017-7175
NfSen before version 1.3.8 is susceptible to this vulnerability.
Vulnerability Description
Remote attackers can exploit NfSen versions before 1.3.8 by using shell metacharacters in the customfmt parameter to execute unauthorized OS commands.
Affected Systems and Versions
- Product: NfSen
- Vendor: N/A
- Versions affected: NfSen versions before 1.3.8
Exploitation Mechanism
Attackers can leverage shell metacharacters in the customfmt parameter to execute unauthorized OS commands.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Update NfSen to version 1.3.8 or later to mitigate the vulnerability.
- Implement proper input validation to prevent the execution of unauthorized commands.
Long-Term Security Practices
- Regularly monitor and update software to patch known vulnerabilities.
- Conduct security assessments and audits to identify and address potential weaknesses.
Patching and Updates
- Apply patches and updates provided by NfSen promptly to ensure the security of the system.