7.5high
CVE-2017-12869
SimpleSAMLphp Authentication context bypass in the multiauth module
Also known as GHSA-qc43-78vj-vg7p
Published 9 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
2.37% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| packagist | simplesamlphp/simplesamlphp | <1.14.14 | 1.14.14 |
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- simplesamlphp.org /security/201704-02 · x_refsource_CONFIRM, x_transferred
- lists.debian.org /debian-lts-announce/2017/12/msg00007.html · mailing-list, x_refsource_MLIST, x_transferred
- debian.org /security/2018/dsa-4127 · vendor-advisory, x_refsource_DEBIAN, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2017-12869 · advisory
- github.com /FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12869.y · web
- github.com /simplesamlphp/simplesamlphp · package
- github.com /simplesamlphp/simplesamlphp/blob/de98fc5bb663feea16686ae77958f759b4a7638d/docs/simplesaml · web
Sources
- CVE List: CVE-2017-12869
- GitHub Advisory: GHSA-qc43-78vj-vg7p
- NVD: CVE-2017-12869
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