CVE-2020-36568 : Security Advisory and Response
Learn about CVE-2020-36568, a vulnerability in github.com/revel/revel allowing resource exhaustion via memory allocation. Find out how to mitigate and prevent this issue.
A vulnerability in github.com/revel/revel could lead to resource exhaustion due to unsanitized input in the query parser.
Understanding CVE-2020-36568
This CVE identifies a specific issue in github.com/revel/revel that could be exploited by remote attackers to cause resource exhaustion through memory allocation.
What is CVE-2020-36568?
The vulnerability arises from unsanitized input in the query parser of github.com/revel/revel versions prior to v1.0.0, enabling attackers to trigger resource exhaustion by manipulating memory allocation.
The Impact of CVE-2020-36568
The exploitation of this vulnerability could result in resource exhaustion, potentially leading to denial of service (DoS) attacks on systems running affected versions of github.com/revel/revel.
Technical Details of CVE-2020-36568
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability stems from inadequate input sanitization in the query parser of github.com/revel/revel versions before v1.0.0, allowing malicious actors to exploit this weakness.
Affected Systems and Versions
- Affected Systems: github.com/revel/revel
- Affected Versions: Versions prior to v1.0.0
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted input to the query parser, triggering excessive memory allocation and potentially causing resource exhaustion.
Mitigation and Prevention
Protecting systems from CVE-2020-36568 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update github.com/revel/revel to version 1.0.0 or later to mitigate the vulnerability.
- Monitor system resources for any signs of resource exhaustion.
Long-Term Security Practices
- Implement input validation mechanisms to sanitize user input effectively.
- Regularly review and update security protocols to address emerging threats.
Patching and Updates
Ensure timely patching and updates for github.com/revel/revel to address known vulnerabilities and enhance system security.