CVE-2017-12873 Incorrect persistent NameID generation in SimpleSAMLphp
Attackers can gain unauthorized access or obtain sensitive information via incorrect persistent NameID generation in misconfigured SimpleSAMLphp Identity Providers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-12873?
CVE-2017-12873 is a critical authentication bypass vulnerability in Debian Debian Linux, published on 1 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SimpleSAMLphp 1.7.0 through 1.14.10 might allow attackers to obtain sensitive information, gain unauthorized access, or have unspecified other impacts by leveraging incorrect persistent NameID generation when an Identity Provider (IdP) is misconfigured.
Weakness: CWE-384
Which versions are affected by CVE-2017-12873?
2 open source packages ship an affected version, including simplesamlphp/simplesamlphp. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
simplesamlphp/simplesamlphp Packagist | From 1.7.0 | 1.14.11 |
simplesamlphp/simplesamlphp Packagist | From 1.7.0 | 1.14.11 |
Products include Debian Debian Linux, Simplesamlphp Simplesamlphp.
How do I fix CVE-2017-12873?
Upgrade simplesamlphp/simplesamlphp to 1.14.11 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-12873 being exploited?
There is no known exploitation of CVE-2017-12873 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-12873, GHSA-gp2m-7cfp-h6gf, UBUNTU-CVE-2017-12873.