CVE-2020-7753 : Security Advisory and Response
Learn about CVE-2020-7753, a vulnerability in the trim package allowing Regular Expression Denial of Service (ReDoS) attacks. Find out the impact, affected systems, and mitigation steps.
All versions of package trim are vulnerable to Regular Expression Denial of Service (ReDoS) via trim().
Understanding CVE-2020-7753
Regular Expression Denial of Service (ReDoS) is a vulnerability affecting the trim package.
What is CVE-2020-7753?
CVE-2020-7753 is a vulnerability that allows attackers to exploit Regular Expression Denial of Service (ReDoS) in the trim package.
The Impact of CVE-2020-7753
- CVSS Base Score: 7.5 (High)
- Attack Vector: Network
- Availability Impact: High
- No Confidentiality or Integrity Impact
Technical Details of CVE-2020-7753
The technical details of the CVE-2020-7753 vulnerability in the trim package.
Vulnerability Description
The vulnerability allows for Regular Expression Denial of Service (ReDoS) via the trim() function.
Affected Systems and Versions
- Affected Product: trim
- Affected Version: 0 (custom version)
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious input that triggers a ReDoS condition in the trim() function.
Mitigation and Prevention
Ways to mitigate and prevent the CVE-2020-7753 vulnerability.
Immediate Steps to Take
- Update the trim package to a non-vulnerable version.
- Implement input validation to prevent malicious input.
Long-Term Security Practices
- Regularly update packages to the latest versions.
- Conduct security audits to identify and address vulnerabilities.
Patching and Updates
- Apply patches provided by the package maintainers.