CVE-2019-15941 Auth bypass in n/a

What is CVE-2019-15941?

CVE-2019-15941 is a critical authentication bypass vulnerability in Debian Debian Linux, published on 25 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-863

Which versions are affected by CVE-2019-15941?

It affects 2 products.

Products include Debian Debian Linux, Lemonldap-Ng Lemonldap\.

How do I fix CVE-2019-15941?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-15941 being exploited?

There is no known exploitation of CVE-2019-15941 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-15941, DSA-4533-1, GHSA-jq88-5p5w-x8c3, UBUNTU-CVE-2019-15941.