Vulnerability in Simplesamlphp Saml2
CVE-2016-9814
The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: +0.000
Affected products
- Simplesamlphp Saml2 — versions 1.10, 1.10.1, 1.10.2
- Simplesamlphp — versions 1.10
Weakness classification (CWE)
References
- www.securityfocus.com/bid/94730 (VDB Entry, Third Party Advisory, vdb-entry)
- simplesamlphp.org/security/201612-01 (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/03/msg00001.html (mailing-list)
Frequently asked questions
- What is CVE-2016-9814?
- CVE-2016-9814 is a critical-severity vulnerability in Simplesamlphp Saml2, classified under CWE-399. CVSS score: 9.1/10. Published 2017-02-17.
- How severe is CVE-2016-9814?
- Critical severity. CVSS v3 base score is 9.1 out of 10.