CVE-2019-15941

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
lemonldap-nglemonldap\
2.0.0 ≤
𝑥
≤ 2.0.5
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
lemonldap-ng
bullseye
2.0.11+ds-4+deb11u5
fixed
stretch
ignored
jessie
not-affected
bookworm
2.16.1+ds-deb12u2
fixed
sid
2.20.0+ds-2
fixed
trixie
2.20.0+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lemonldap-ng
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
ignored
disco
ignored
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
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://seclists.org/bugtraq/2019/Sep/46
https://www.debian.org/security/2019/dsa-4533
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://seclists.org/bugtraq/2019/Sep/46
https://www.debian.org/security/2019/dsa-4533