CVE-2020-26289 : Exploit Details and Defense Strategies
Learn about CVE-2020-26289, a high severity vulnerability in the date-and-time npm package allowing denial of service attacks. Find out how to mitigate and prevent this issue.
Date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there is a regular expression involved in parsing which can be exploited to cause a denial of service. This vulnerability has been assigned a CVSS base score of 7.5, indicating a high severity issue.
Understanding CVE-2020-26289
This CVE involves a vulnerability in the date-and-time npm package that allows for a denial of service attack due to a regular expression parsing issue.
What is CVE-2020-26289?
The CVE-2020-26289 vulnerability in the date-and-time npm package allows attackers to exploit a regular expression parsing flaw in versions prior to 0.14.2, leading to a denial of service.
The Impact of CVE-2020-26289
The impact of this vulnerability is rated as high, with a CVSS base score of 7.5. The availability impact is high, potentially causing service disruption.
Technical Details of CVE-2020-26289
This section provides more technical insights into the CVE-2020-26289 vulnerability.
Vulnerability Description
The vulnerability arises from a regular expression parsing issue in the date-and-time npm package, allowing for a denial of service attack.
Affected Systems and Versions
- Product: date-and-time
- Vendor: knowledgecode
- Affected Version: < 0.14.2
Exploitation Mechanism
Attackers can exploit the regular expression parsing vulnerability in date-and-time versions prior to 0.14.2 to trigger a denial of service condition.
Mitigation and Prevention
Protecting systems from CVE-2020-26289 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update date-and-time npm package to version 0.14.2 or newer to mitigate the vulnerability.
- Monitor for any unusual activity that could indicate a denial of service attack.
Long-Term Security Practices
- Regularly update software packages and dependencies to patch known vulnerabilities.
- Implement network and application-level defenses to detect and prevent denial of service attacks.
Patching and Updates
Ensure timely patching of software and dependencies to address known vulnerabilities and protect against potential exploits.