CVE-2022-21948 : Security Advisory and Response
Learn about CVE-2022-21948, a Cross-site Scripting vulnerability in openSUSE paste allowing remote attackers to inject malicious JavaScript into SVG files. Find out the impact, affected versions, and mitigation steps.
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in paste allows remote attackers to place Javascript into SVG files. This vulnerability affects openSUSE paste version b57b9f87e303a3db9465776e657378e96845493b and prior versions.
Understanding CVE-2022-21948
This CVE involves a Cross-site Scripting vulnerability in the paste application, allowing attackers to inject malicious Javascript into SVG files.
What is CVE-2022-21948?
CVE-2022-21948 is a security vulnerability in the openSUSE paste application that enables remote attackers to execute Cross-site Scripting attacks by inserting JavaScript code into SVG files.
The Impact of CVE-2022-21948
The impact of this vulnerability is considered medium, with a CVSS base score of 4.3. Attackers can exploit this issue to compromise the confidentiality of data present in SVG files.
Technical Details of CVE-2022-21948
This section outlines the specific aspects of the CVE.
Vulnerability Description
The vulnerability arises due to improper neutralization of user input in web page generation, leading to Cross-site Scripting attacks in the paste application.
Affected Systems and Versions
The vulnerability affects openSUSE paste version b57b9f87e303a3db9465776e657378e96845493b and earlier versions.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by injecting malicious JavaScript code into SVG files using the paste application.
Mitigation and Prevention
To address CVE-2022-21948, immediate steps need to be taken along with long-term security practices.
Immediate Steps to Take
Ensure to update the paste application to a version that includes the fix for the Cross-site Scripting vulnerability. Additionally, sanitize user input to prevent malicious code injection.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and educate developers on preventing Cross-site Scripting vulnerabilities.
Patching and Updates
Stay informed about security updates for the paste application and promptly apply patches to mitigate the risk of exploitation.