File Upload Vulnerability in Jenkins by CloudBees
CVE-2023-43497

8.1HIGH

Key Information:

Vendor

Jenkins
Status
Jenkins
Vendor
CVE Published:
20 September 2023

What is CVE-2023-43497?

In specific versions of Jenkins, the Stapler web framework improperly handles file uploads by creating temporary files in the system's default temporary directory. Due to the default permissions assigned to these files, unauthorized users with access to the Jenkins controller file system could potentially exploit this vulnerability. They may read or write to these temporary files before they are processed by the system, leading to possible data leaks or manipulation.

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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

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