CVE-2018-7711 is a high-severity vulnerability affecting SimpleSAMLphp versions prior to 1.15.4, specifically within the saml2 library's HTTPRedirect.php component. An attacker can exploit an incorrect return value check in signature validation utilities, leading to invalid SAML signatures being accepted as valid due to a PHP interpretation flaw. This allows for high impact to confidentiality, integrity, and availability, with a CVSS score of 8.1. There is no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.15.4CPE matchmatch criteria | cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:* | ||
>= 1.0.0, < 1.10.6CPE matchmatch criteria | cpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:* | ||
>= 2.0.0, < 2.3.8CPE matchmatch criteria | cpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:* | ||
>= 3.0.0, < 3.1.4CPE matchmatch criteria | cpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.