Description

An issue was discovered in LemonLDAP::NG through 2.0.8, when NGINX is used. An attacker may bypass URL-based access control to protected Virtual Hosts by submitting a non-normalized URI. This also affects versions before 0.5.2 of the "Lemonldap::NG handler for Node.js" package.

Remediation

References

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2290

https://www.debian.org/security/2020/dsa-4762

https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/releases/tag/0.5.2

https://github.com/LemonLDAPNG/node-lemonldap-ng-handler/security/advisories/GHSA-x44x-r84w-8v67

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Severity

Critical

Classification

CWE-425 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Exploit Third Party Advisory