9.1crit

CVE-2016-9814

SimpleSAMLphp SAML2 spoof SAML responses

Also known as GHSA-r8v4-7vwj-983x

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.41% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD2.08.5AV:N/AC:L/Au:N/C:N/I:P/A:C
GitHub3.09.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected packages

EcosystemPackageAffectedFixed in
packagistsimplesamlphp/saml2
>=1.10, <1.10.3
<1.8.1
>=1.9.0, <1.9.1
>=2.0, <2.3.3
1.10.3
1.8.1
1.9.1
2.3.3

Classification

Weakness

References

  • securityfocus.com /bid/94730 · vdb-entry, x_refsource_BID, x_transferred
  • simplesamlphp.org /security/201612-01 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/03/msg00001.html · mailing-list, x_refsource_MLIST, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2016-9814 · advisory
  • github.com /FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2016-9814.yaml · web
  • github.com /simplesamlphp/simplesamlphp · package

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.