SB2022072817 - Multiple vulnerabilities in Jenkins Git plugin

Description

This security bulletin contains information about 3 vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2022-36882)

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.

2) Information disclosure (CVE-ID: CVE-2022-36884)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in webhook endpoint. A remote attacker can gain unauthorized access to sensitive information on the system.

3) Missing Authorization (CVE-ID: CVE-2022-36883)

CWE-ID: CWE-862 - Missing Authorization

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

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to application does not properly impose security restrictions. A remote attacker can trigger builds of jobs configured to use an attacker-specified Git repository and cause them to check out an attacker-specified commit.

Remediation

Install update from vendor's website.

References

• https://www.jenkins.io/security/advisory/2022-07-27/#SECURITY-284
• http://www.openwall.com/lists/oss-security/2022/07/27/1