Improper access control in Azure VM Agents - #VU17920

 

Improper access control in Azure VM Agents - #VU17920

Published: March 7, 2019 / Updated: March 7, 2019


Vulnerability identifier: #VU17920
CSH Severity: Medium
CVSS v4: 5.1 [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]
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Azure VM Agents

Remediation

Install update from vendor's website.

Azure VM Agents - update to 0.8.1

External References

Related Security Bulletins