6.3med
CVE-2016-9955
Incorrect signature verification in SimpleSAMLphp
Also known as GHSA-p9cm-r7jg-8q3g
Published 9 y ago · modified 4 mo ago · JSON
CVSS
6.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.2%
percentile 68%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.18% probability of exploitation in the next 30 days, higher than 68% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.3 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:H/Au:N/C:N/I:P/A:P |
| GitHub | 3.0 | 6.3 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| packagist | simplesamlphp/simplesamlphp | <1.14.11 | 1.14.11 |
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- simplesamlphp.org /security/201612-02 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/94946 · vdb-entry, x_refsource_BID, x_transferred
- lists.debian.org /debian-lts-announce/2018/03/msg00001.html · mailing-list, x_refsource_MLIST, x_transferred
- github.com /simplesamlphp/simplesamlphp/security/advisories/GHSA-p9cm-r7jg-8q3g · web
- nvd.nist.gov /vuln/detail/CVE-2016-9955 · advisory
- github.com /FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2016-9955.ya · web
Sources
- CVE List: CVE-2016-9955
- GitHub Advisory: GHSA-p9cm-r7jg-8q3g
- NVD: CVE-2016-9955
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