Vulnerability identifier: #VU17920

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Azure VM Agents
Web applications / Modules and components for CMS

Vendor: Jenkins

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Azure VM Agents: 0.4.0 - 0.8.0

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External links
http://jenkins.io/security/advisory/2019-03-06/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.