It was found that Ipsilon does not check whether a user is authorized to delete a service provider. This makes it possible for any authenticated user to delete any service provider, causing a denial of service. The vulnerable code is at: https://pagure.io/ipsilon/blob/master/f/ipsilon/providers/saml2/admin.py#_309
Created ipsilon tracking bugs for this issue: Affects: fedora-all [bug 1271531]
Upstream patch: https://pagure.io/ipsilon/9dec97c3c83928d231ea10f4160523a13803e594 Upstream announcement: https://lists.fedorahosted.org/pipermail/ipsilon/2015-October/000065.html
Acknowledgements: This issue was discovered by Patrick Uiterwijk and Rob Crittenden of Red Hat.
ipsilon-1.1.1-2.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
ipsilon-1.1.1-2.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
ipsilon-1.1.1-2.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.