SB2019080729 - Multiple vulnerabilities in JClouds plugin for Jenkins

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2019-10368)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in "BlobStoreProfile.DescriptorImpl#doTestConnection" and "JCloudsCloud.DescriptorImpl#doTestConnection". A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-10369)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to missing permission check in "BlobStoreProfile.DescriptorImpl#doTestConnection" and "JCloudsCloud.DescriptorImpl#doTestConnection". A remote authenticated attacker can capture credentials stored in Jenkins.

Remediation

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2019/08/07/1
• https://jenkins.io/security/advisory/2019-08-07/#SECURITY-1482