Improper access control in Azure VM Agents - #VU17920
Published: March 7, 2019 / Updated: March 7, 2019
Vulnerability identifier: #VU17920
CSH Severity: Medium
CVSS v4.0: 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:Green
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Azure VM Agents
Azure VM Agents
Detailed vulnerability description
The vulnerability allows a remote attacker to change VM configuration and gain access to sensitive information.
The vulnerability exists due to missing permissions check in an HTTP endpoint. A remote attacker with Overall/Read access can attach a public IP address to an Azure VM in Azure VM Agents Plugin and making a virtual machine publicly accessible.
Note, this vulnerability can be exploited via CSRF attack vector.
Remediation
Install update from vendor's website.