CVE-2023-43498

Description

In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Vendor Advisory jenkins.io
Affected: Jenkins Project Jenkins
Published at:
Updated at:

References

Link Tags
https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3073 vendor advisory
http://www.openwall.com/lists/oss-security/2023/09/20/5 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-43498?
CVE-2023-43498 has been scored as a high severity vulnerability.
How to fix CVE-2023-43498?
To fix CVE-2023-43498, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-43498 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-43498 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-43498?
CVE-2023-43498 affects Jenkins Project Jenkins.
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