Permissions, Privileges, and Access Controls in Splunk - CVE-2019-10390
Published: October 3, 2019
Vulnerability identifier: #VU21527
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-10390
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Splunk
Splunk
Detailed vulnerability description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the affected software has a form validation HTTP endpoint used to validate a user-submitted Groovy script through compilation, which was not subject to sandbox protection. A remote authenticated attacker with Overall/Read access can execute arbitrary code on the Jenkins master by applying AST transforming annotations such as "@Grab" to source code elements.
How to mitigate CVE-2019-10390
Install updates from vendor's website.