CVE-2016-9955
Incorrect signature verification in SimpleSAMLphp
6.3
MEDIUM
CVSS 3.1
EPSS 0.41%
Description
The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
How to fix CVE-2016-9955
To remediate CVE-2016-9955, upgrade the affected package to a fixed version below.
- —upgrade to 1.14.11-1 or later
- —upgrade to 1.14.11 or later
Is CVE-2016-9955 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.14.11-1
- from 0, < 1.14.11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H |