GitHub Advisory DatabaseGHSA-QC43-78VJ-VG7PSimpleSAMLphp Authentication context bypass in the multiauth module
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7 High
AI Score
Confidence
Low
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
0.003 Low
EPSS
Percentile
71.6%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| simplesamlphp/simplesamlphp | lt | 1.14.14 |
References
github.com/advisories/GHSA-qc43-78vj-vg7p
github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12869.yaml
github.com/simplesamlphp/simplesamlphp/blob/de98fc5bb663feea16686ae77958f759b4a7638d/docs/simplesamlphp-changelog-1.x.md?plain=1#L902C64-L902C79
lists.debian.org/debian-lts-announce/2017/12/msg00007.html
nvd.nist.gov/vuln/detail/CVE-2017-12869
simplesamlphp.org/security/201704-02
www.debian.org/security/2018/dsa-4127
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7 High
AI Score
Confidence
Low
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
0.003 Low
EPSS
Percentile
71.6%