Cleartext storage of sensitive information in Azure Event Grid Build Notifier - CVE-2019-10421

Vulnerability identifier: #VU21384

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2019-10421

CWE-ID: CWE-312

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Jenkins

Affected software:
Azure Event Grid Build Notifier

The vulnerability allows a local user to view the password on the target system.

The vulnerability exists due to the affected software stores the Azure Event Grid secret key unencrypted in job "config.xml" files on the Jenkins master. A local authenticated user with Extended Read permission or access to the master file system can obtain credentials.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

• http://www.openwall.com/lists/oss-security/2019/09/25/3
• https://jenkins.io/security/advisory/2019-09-25/#SECURITY-1544