CVE-2020-11655 : What You Need to Know
Learn about CVE-2020-11655, a vulnerability in SQLite through 3.31.1 that allows denial of service attacks via a malformed window-function query. Find mitigation steps and prevention measures here.
SQLite through 3.31.1 allows attackers to cause a denial of service (segmentation fault) via a malformed window-function query because the AggInfo object's initialization is mishandled.
Understanding CVE-2020-11655
SQLite through version 3.31.1 is vulnerable to a denial of service attack due to mishandling of the AggInfo object's initialization in a malformed window-function query.
What is CVE-2020-11655?
SQLite through version 3.31.1 is susceptible to a denial of service attack that can be triggered by a specially crafted window-function query, leading to a segmentation fault.
The Impact of CVE-2020-11655
The vulnerability in SQLite through version 3.31.1 can be exploited by attackers to cause a denial of service, potentially disrupting the availability of the affected system.
Technical Details of CVE-2020-11655
SQLite through version 3.31.1 is affected by a specific vulnerability that allows for a denial of service attack.
Vulnerability Description
The issue arises from the mishandling of the AggInfo object's initialization in a malformed window-function query.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions up to 3.31.1
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious window-function query that triggers the mishandling of the AggInfo object's initialization, leading to a segmentation fault.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-11655.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor official sources for updates and advisories regarding this vulnerability.
- Implement network security measures to detect and block potential exploitation attempts.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Conduct security assessments and audits to identify and address potential weaknesses in the system.
Patching and Updates
- Stay informed about security updates and patches released by SQLite.
- Apply the latest patches to ensure the system is protected against CVE-2020-11655.