CVE-2023-43496

Description

Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.11%
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-3072 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-2023-43496?
CVE-2023-43496 has been scored as a high severity vulnerability.
How to fix CVE-2023-43496?
To fix CVE-2023-43496, 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-2023-43496 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-43496 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-2023-43496?
CVE-2023-43496 affects Jenkins Project Jenkins.
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