CVE-2017-15612 : Vulnerability Insights and Analysis
Learn about CVE-2017-15612, a vulnerability in Mistune 0.7.4 enabling XSS attacks via unexpected newline characters or manipulated email addresses. Find mitigation steps here.
Mistune 0.7.4's mistune.py module contains a vulnerability that enables cross-site scripting (XSS) attacks. This can occur when an unexpected newline character is used (such as in "java\nscript:") or when a manipulated email address is employed. These issues are associated with the escape and autolink functions.
Understanding CVE-2017-15612
This CVE-2017-15612 vulnerability in Mistune 0.7.4 allows for XSS attacks through specific manipulation of newline characters and email addresses.
What is CVE-2017-15612?
CVE-2017-15612 is a vulnerability in Mistune 0.7.4 that can be exploited to conduct cross-site scripting attacks by utilizing unexpected newline characters or crafted email addresses.
The Impact of CVE-2017-15612
The vulnerability in mistune.py module of Mistune 0.7.4 can lead to successful XSS attacks, potentially compromising the security and integrity of web applications.
Technical Details of CVE-2017-15612
This section provides detailed technical information about the CVE-2017-15612 vulnerability.
Vulnerability Description
The mistune.py module in Mistune 0.7.4 is susceptible to XSS attacks when newline characters or manipulated email addresses are used, particularly in the escape and autolink functions.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by inserting unexpected newline characters or using manipulated email addresses to trigger XSS attacks.
Mitigation and Prevention
Protecting systems from CVE-2017-15612 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Mistune to a patched version that addresses the XSS vulnerability.
- Implement input validation to sanitize user inputs and prevent malicious scripts.
Long-Term Security Practices
- Regularly monitor and audit code for security vulnerabilities.
- Educate developers on secure coding practices to prevent XSS vulnerabilities.
Patching and Updates
Ensure timely application of security patches and updates to mitigate the risk of XSS attacks.