CVE-2020-10735 : What You Need to Know
Learn about CVE-2020-10735, a Python vulnerability impacting system availability due to delays in processing integer strings with a large number of digits. Find mitigation steps and preventive measures here.
CVE-2020-10735 is a vulnerability found in Python that can lead to system availability issues due to a flaw in parsing integer strings with a large number of digits.
Understanding CVE-2020-10735
This vulnerability affects the parsing of integer strings in Python, potentially causing significant delays in systems processing large numbers of digits.
What is CVE-2020-10735?
In Python, when using int("text") in algorithms with quadratic time complexity using non-binary bases, the system may take an extended time to parse integer strings with a high number of digits, impacting system availability.
The Impact of CVE-2020-10735
The primary threat posed by this vulnerability is to system availability, as the processing time for integer strings with a large number of digits can be significantly prolonged.
Technical Details of CVE-2020-10735
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw in Python's integer string parsing can cause delays in processing integer strings with a high number of digits, affecting system performance.
Affected Systems and Versions
- Vendor: n/a
- Product: Python
- Affected Version: Python 3.7
Exploitation Mechanism
The vulnerability can be exploited by providing Python with integer strings containing a large number of digits, triggering the extended processing time.
Mitigation and Prevention
Protecting systems from CVE-2020-10735 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply relevant patches and updates provided by Python or distribution vendors.
- Monitor system performance for any signs of delays in integer string processing.
Long-Term Security Practices
- Regularly update Python and related dependencies to ensure the latest security fixes are in place.
- Implement code reviews and testing to identify and address potential vulnerabilities in integer string parsing.
Patching and Updates
- Stay informed about security advisories and updates from Python and distribution vendors.
- Promptly apply patches to mitigate the risk of delays in integer string parsing.