A vulnerability has been found in Fabric Beta Publisher Plugin on Jenkins (Jenkins Plugin) (affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown functionality of the file config.xml. The manipulation with an unknown input leads to a credentials management vulnerability (Credentials). The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality. The summary by CVE is:

Jenkins Fabric Beta Publisher Plugin stores credentials unencrypted in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.

The bug was discovered 04/03/2019. The weakness was published 04/04/2019 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2019-1003088 since 04/03/2019. Attacking locally is a requirement. The successful exploitation needs a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:config.xml it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-132978, VDB-132979, VDB-132980 and VDB-132981.

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• Jenkins Plugin

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• Fabric Beta Publisher Plugin

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