CVE-2019-15941

Description

OpenID Connect Issuer in LemonLDAP::NG 2.x through 2.0.5 may allow an attacker 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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.55%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1881 third party advisory
https://projects.ow2.org/view/lemonldap-ng/lemonldap-ng-2-0-6-is-out/ third party advisory
https://www.debian.org/security/2019/dsa-4533 vendor advisory third party advisory
https://seclists.org/bugtraq/2019/Sep/46 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-15941?
CVE-2019-15941 has been scored as a critical severity vulnerability.
How to fix CVE-2019-15941?
To fix CVE-2019-15941, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-15941 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-15941 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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