What is CVE-2016-9955?

CVE-2016-9955 is a medium-severity vulnerability in Simplesamlphp, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2017-02-17.

How severe is CVE-2016-9955?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Improper input validation in Simplesamlphp

CVE-2016-9955

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (64.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H.

Affected products

Simplesamlphp
Debian Debian_linux — versions 7.0
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@debian.org (x_refsource_CONFIRM, Vendor Advisory)
security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
security@debian.org (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2016-9955?: CVE-2016-9955 is a medium-severity vulnerability in Simplesamlphp, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2017-02-17.
How severe is CVE-2016-9955?: Medium severity. CVSS v3 base score is 6.3 out of 10.