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CVE-2019-15941

Published: 25 September 2019

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.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
lemonldap-ng
Launchpad, Ubuntu, Debian
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(2.0.6+ds-2)
groovy Not vulnerable
(2.0.6+ds-2)
hirsute Not vulnerable
(2.0.6+ds-2)
impish Not vulnerable
(2.0.6+ds-2)
jammy Not vulnerable
(2.0.6+ds-2)
kinetic Not vulnerable
(2.0.6+ds-2)
lunar Not vulnerable
(2.0.6+ds-2)
mantic Not vulnerable
(2.0.6+ds-2)
trusty Does not exist

upstream
Released (2.0.6+ds-1)
xenial Needs triage

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H