Vulnerability identifier: #VU16573

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1000862

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jenkins
Server applications / Application servers

Vendor: Jenkins

Description

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.

The vulnerability exists due to the DirectoryBrowserSupport.java code of the affected software allows access to the filesystem outside the workspace to extend beyond the execution of a build on an affected agent. A remote attacker with the ability to control build output to browse the filesystem on agents running builds beyond the duration of the build using the workspace browser can access sensitive file information. 

Mitigation
The vulnerability has been fixed in the versions 2.154, 2.138.4, and 2.150.1.

Vulnerable software versions

Jenkins: 2.19.2 - 2.153

---

External links
http://jenkins.io/security/advisory/2018-12-05/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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