Jenkins - SECURITY-200 / CVE-2015-5323 PoC

API tokens of other users available to admins

SECURITY-200 / CVE-2015-5323

API tokens of other users were exposed to admins by default. On instances that don’t implicitly grant RunScripts permission to admins, this allowed admins to run scripts with another user’s credentials.

Affected versions

All Jenkins main line releases up to and including 1.637

All Jenkins LTS releases up to and including 1.625.1

PoC

Tested against Jenkins 1.6.37

From the script console:

run some groovy code to get the token of another user

wrong token

correct token