CVE-2017-12702 : Vulnerability Insights and Analysis
Learn about CVE-2017-12702, an Externally Controlled Format String vulnerability in Advantech WebAccess versions before V8.2_20170817, enabling unauthorized code execution.
A vulnerability called Externally Controlled Format String has been found in Advantech WebAccess versions before V8.2_20170817. The validation of string format specifiers is not done properly when they are based on user input. This flaw could enable an attacker to execute unauthorized code.
Understanding CVE-2017-12702
This CVE identifies a vulnerability in Advantech WebAccess that could allow an attacker to execute arbitrary code.
What is CVE-2017-12702?
CVE-2017-12702 is an Externally Controlled Format String issue in Advantech WebAccess versions prior to V8.2_20170817. It arises from inadequate validation of string format specifiers based on user input, potentially leading to unauthorized code execution.
The Impact of CVE-2017-12702
The vulnerability could be exploited by malicious actors to execute arbitrary code on affected systems, posing a significant security risk.
Technical Details of CVE-2017-12702
This section provides detailed technical information about the CVE.
Vulnerability Description
The Externally Controlled Format String vulnerability in Advantech WebAccess versions before V8.2_20170817 stems from the improper validation of string format specifiers based on user input, allowing attackers to execute unauthorized code.
Affected Systems and Versions
- Product: Advantech WebAccess
- Versions Affected: Advantech WebAccess before V8.2_20170817
Exploitation Mechanism
The flaw in string format specifier validation, when influenced by user input, enables attackers to craft malicious inputs that could trigger the execution of unauthorized code.
Mitigation and Prevention
Protecting systems from CVE-2017-12702 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Advantech WebAccess to version V8.2_20170817 or later to mitigate the vulnerability.
- Implement input validation mechanisms to sanitize user-provided data and prevent malicious inputs.
Long-Term Security Practices
- Regularly monitor and update software to address security vulnerabilities promptly.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
Ensure timely installation of security patches and updates provided by Advantech to address CVE-2017-12702.