CVE-2015-5217 Ipsilon denial of service via a duplicate SP name
Authenticated users can cause denial of service by creating duplicate SAML2 Service Provider names due to missing permission checks in the admin interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-5217?
CVE-2015-5217 is a medium-severity missing authorization vulnerability in n/a, published on 17 Nov 2015. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
providers/saml2/admin.py in the Identity Provider (IdP) server in Ipsilon 0.1.0 before 1.0.1 does not properly check permissions to update the SAML2 Service Provider (SP) owner, which allows remote authenticated users to cause a denial of service via a duplicate SP name.
Weakness: CWE-264
Which versions are affected by CVE-2015-5217?
2 open source packages ship an affected version, including ipsilon. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ipsilon PyPI | From 0.1.0 | 1.2.0 |
ipsilon PyPI | From 0.1.0 | 1.2.0 |
Products include Ipsilon Project Ipsilon.
How do I fix CVE-2015-5217?
Upgrade ipsilon to 1.2.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2015-5217 being exploited?
There is no known exploitation of CVE-2015-5217 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6875-ff47-r6p6.