Vulnerability Monitor

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CVE-2017-12869

The multiauth module in SimpleSAMLphp 1.14.13 and earlier allows remote attackers to bypass authentication context restrictions and use an authentication source defined in config/authsources.php via vectors related to improper validation of user input.

Published

2017-09-01T13:29:00.303

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	simplesamlphp	simplesamlphp	≤ 1.14.13	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html Mailing List, Third Party Advisory ([email protected])
https://simplesamlphp.org/security/201704-02 Patch, Vendor Advisory ([email protected])
https://www.debian.org/security/2018/dsa-4127 Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://simplesamlphp.org/security/201704-02 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2018/dsa-4127 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)