CVE-2019-15941

EUVD-2019-6842
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
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
Affected Products (NVD)
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
bookworm
2.16.1+ds-deb12u2
fixed
bullseye
2.0.11+ds-4+deb11u5
fixed
jessie
not-affected
sid
2.20.0+ds-2
fixed
stretch
ignored
trixie
2.20.0+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lemonldap-ng
bionic
needs-triage
disco
ignored
eoan
ignored
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needs-triage
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