A Server-Side Request Forgery issue in the OpenID Connect Issuer in LemonLDAP::NG before 2.17.1 allows authenticated remote attackers to send GET requests to arbitrary URLs through the request_uri authorization parameter. This is similar to CVE-2020-10770.
Weakness
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Lemonldap::ng | Lemonldap-ng | * | 2.17.1 (excluding) |
| Lemonldap-ng | Ubuntu | bionic | * |
| Lemonldap-ng | Ubuntu | focal | * |
| Lemonldap-ng | Ubuntu | lunar | * |
| Lemonldap-ng | Ubuntu | mantic | * |
| Lemonldap-ng | Ubuntu | trusty | * |
| Lemonldap-ng | Ubuntu | upstream | * |
| Lemonldap-ng | Ubuntu | xenial | * |
Related Attack Patterns
References
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2998
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.17.1
- https://lists.debian.org/debian-lts-announce/2023/10/msg00014.html
- https://security.lauritz-holtmann.de/post/sso-security-ssrf/
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2998
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.17.1
- https://lists.debian.org/debian-lts-announce/2023/10/msg00014.html
- https://security.lauritz-holtmann.de/post/sso-security-ssrf/