SB2018051527 - Multiple vulnerabilities in Jenkins

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2017-2602)

The vulnerability allows a remote authenticated user to manipulate data.

jenkins before versions 2.44, 2.32.2 is vulnerable to an improper blacklisting of the Pipeline metadata files in the agent-to-master security subsystem. This could allow metadata files to be written to by malicious agents (SECURITY-358).

2) Deserialization of Untrusted Data (CVE-ID: CVE-2017-2608)

The vulnerability allows a remote authenticated user to execute arbitrary code.

Jenkins before versions 2.44, 2.32.2 is vulnerable to a remote code execution vulnerability involving the deserialization of various types in javax.imageio in XStream-based APIs (SECURITY-383).

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/95952
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2602
• https://github.com/jenkinsci/jenkins/commit/414ff7e30aba66bed18c4ee8a8660fb36fc8c655
• https://jenkins.io/security/advisory/2017-02-01/
• http://www.securityfocus.com/bid/95953
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2608
• https://github.com/jenkinsci/jenkins/commit/a814154695e23dc37542af7d40cacc129cf70722