| Name | CVE-2024-52946 |
| Description | An issue was discovered in LemonLDAP::NG before 2.20.1. An Improper Check during session refresh allows an authenticated user to raise their authentication level if the admin configured an "Adaptative authentication rule" with an increment instead of an absolute value. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3979-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| lemonldap-ng (PTS) | jessie, jessie (lts) | 1.3.3-1+deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.9.7-3+deb9u4 | vulnerable |
| buster, buster (lts) | 2.0.2+ds-7+deb10u11 | fixed |
| buster (security) | 2.0.2+ds-7+deb10u10 | fixed |
| bullseye | 2.0.11+ds-4+deb11u5 | vulnerable |
| bullseye (security) | 2.0.11+ds-4+deb11u6 | fixed |
| bookworm | 2.16.1+ds-deb12u3 | vulnerable |
| sid, trixie | 2.20.1+ds-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - lemonldap-ng <no-dsa> (Minor issue, will be fixed via spu)
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3255
Fixed by: https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/63a045e4a4ad579559cfe04e644b0cefe2f1137b (v2.20.1)
Fixed by: https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/065b71ba4e97d7f8dbfe61900e9d4d587109f11b (v2.20.1)
[buster] - lemonldap-ng <not-affected> (Adaptative Authentication Plugin was introduced in v2.0.10)