File Upload Vulnerability in Jenkins by CloudBees
CVE-2023-43498

8.1HIGH

Key Information:

Vendor
Jenkins
Status
Jenkins
Vendor
CVE Published:
20 September 2023

Summary

In Jenkins versions up to 2.423 and LTS version 2.414.1, an issue was identified where the MultipartFormDataParser handling file uploads can lead to the creation of temporary files with default system permissions. This may allow unauthorized access for attackers who gain access to the Jenkins controller filesystem, enabling them to potentially read and write these files before they are processed by the system.

Affected Version(s)

Jenkins 2.424

Jenkins 2.424

Jenkins 2.414.2 < 2.414.*

References

https://www.jenkins.io/security/advisory/2023-09-20/#SECU...
vendor-advisory
http://www.openwall.com/lists/oss-security/2023/09/20/5

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.