Cleartext storage of sensitive information in Jenkins Team Foundation Server plugin

1) Cleartext storage of sensitive information

EUVDB-ID: #VU46220

Risk: Low

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

CVE-ID: CVE-2020-2249

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to the affected software stores a webhook secret unencrypted in its global configuration file "hudson.plugins.tfs.TeamPluginGlobalConfig.xml". A local user with access to the Jenkins controller file system can obtain this secret.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Team Foundation Server: 1.0 - 5.157.1

External links

http://www.openwall.com/lists/oss-security/2020/09/01/3
http://jenkins.io/security/advisory/2020-09-01/#SECURITY-1506

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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