Cleartext storage of sensitive information in Debian Package Builder plugin for Jenkins

1) Cleartext storage of sensitive information

EUVDB-ID: #VU25296

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-2125

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

Exploit availability: No

Description

The vulnerability allows a local user to view the password on the target system.

The vulnerability exists due to the affected software stores a GPG passphrase unencrypted in its global configuration file "ru.yandex.jenkins.plugins.debuilder.DebianPackageBuilder.xml" on the Jenkins master. A local user with access to the master file system can obtain credentials.

Mitigation

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

Vulnerable software versions

Debian Package Builder: 1.2 - 1.6.11

CPE2.3

• cpe:2.3:a:jenkins:debian_package_builder:1.2:*:*:*:*:jenkins:*:*
• cpe:2.3:a:jenkins:debian_package_builder:1.3:*:*:*:*:jenkins:*:*
• cpe:2.3:a:jenkins:debian_package_builder:1.4:*:*:*:*:jenkins:*:*

External links

https://www.openwall.com/lists/oss-security/2020/02/12/3
https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1558

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.