Published: 25/09/2019 Updated: 18/08/2020

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

OpenID Connect Issuer in LemonLDAP::NG 2.x up to and including 2.0.5 may allow an malicious user to bypass access control rules via a crafted OpenID Connect authorization request. To be vulnerable, there must exist an OIDC Relaying party within the LemonLDAP configuration with weaker access control rules than the target RP, and no filtering on redirection URIs.

Vulnerable Product	Search on Vulmon	Subscribe to Product
lemonldap-ng lemonldap\\ \\
debian debian linux 10.0

It was discovered that the Lemonldap::NG web SSO system did not restrict OIDC authorization codes to the relying party For the stable distribution (buster), this problem has been fixed in version 202+ds-7+deb10u2 We recommend that you upgrade your lemonldap-ng packages For the detailed security status of lemonldap-ng please refer to its securi ...

CWE-863 https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1881 https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-6-is-out/https://www.debian.org/security/2019/dsa-4533 https://seclists.org/bugtraq/2019/Sep/46 https://nvd.nist.gov https://www.debian.org/security/2019/dsa-4533

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CVE-2019-15941

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