Learn about CVE-2022-29947, a security flaw in Woodpecker before 0.15.1 allowing cross-site scripting attacks via build logs. Find out the impact, affected versions, and mitigation steps.
Woodpecker before 0.15.1 is vulnerable to a cross-site scripting (XSS) attack through build logs due to a lack of escaping in the web/src/components/repo/build/BuildLog.vue file.
Understanding CVE-2022-29947
This CVE refers to a security issue in Woodpecker that allows attackers to execute XSS attacks via build logs.
What is CVE-2022-29947?
CVE-2022-29947 is a vulnerability in Woodpecker versions prior to 0.15.1, enabling malicious actors to inject and execute malicious scripts through unescaped build logs.
The Impact of CVE-2022-29947
The impact of this vulnerability is significant as it allows attackers to potentially steal sensitive information or perform actions on behalf of legitimate users by exploiting the XSS vector.
Technical Details of CVE-2022-29947
This section covers more technical aspects of the CVE.
Vulnerability Description
Woodpecker before version 0.15.1 is susceptible to XSS attacks as the BuildLog.vue component fails to properly escape build logs, leading to script injection vulnerabilities.
Affected Systems and Versions
All versions of Woodpecker prior to 0.15.1 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into build logs, which are not properly sanitized or escaped in the application.
Mitigation and Prevention
It's crucial to take immediate action to address and prevent exploitation of CVE-2022-29947.
Immediate Steps to Take
Users should update Woodpecker to version 0.15.1 or newer to mitigate the XSS vulnerability and ensure build logs are properly sanitized to prevent script injection.
Long-Term Security Practices
Implement secure coding practices, such as input validation and output encoding, to prevent XSS vulnerabilities in web applications.
Patching and Updates
Regularly update and patch software components to address known security issues and vulnerabilities, reducing the risk of exploitation.