SB2023092112 - Multiple vulnerabilities in Jenkins Build Failure Analyzer plugin

Description

This security bulletin contains information about 4 vulnerabilities.

1) Stored cross-site scripting (CVE-ID: CVE-2023-43499)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to the affected plugin does not escape Failure Cause names in build logs. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) Cross-site request forgery (CVE-ID: CVE-2023-43502)

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

3) Improper access control (CVE-ID: CVE-2023-43501)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not perform a permission check in a connection test HTTP endpoint. A remote user can connect to an attacker-specified hostname and port using attacker-specified username and password.

4) Cross-site request forgery (CVE-ID: CVE-2023-43500)

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Remediation

Install update from vendor's website.

References

• https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3244
• http://www.openwall.com/lists/oss-security/2023/09/20/5
• https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3239
• https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3226