CVE-2023-43498

High

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.

SeverityHigh

CVSS8.1

Exploit probability—

Product

Jenkins

PublishedSep 20, 2023

First seenSep 20, 2023

Weakness typeCWE-377CWE-377

How to fix

Update

jenkins jenkins2.414.2, 2.424 or later
org.jenkins-ci.main:jenkins-core2.414.2, 2.424 or later

Vendor advisories

jenkins.io/security/advisory/2023-09-20/#SECURITY-3073

Affected products

Product	Affected versions	Fixed in
jenkins jenkins	v < 2.414.2, v < 2.424	2.414.2, 2.424
org.jenkins-ci.main:jenkins-coreMaven	2.50 ≤ v < 2.414.2, 2.415 ≤ v < 2.424	2.414.2, 2.424

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