| Name | CVE-2021-40874 |
| Description | An issue was discovered in LemonLDAP::NG (aka lemonldap-ng) 2.0.13. When using the RESTServer plug-in to operate a REST password validation service (for another LemonLDAP::NG instance, for example) and using the Kerberos authentication method combined with another method with the Combination authentication plug-in, any password will be recognized as valid for an existing user. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1005302 |
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 | fixed | |
| 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 | fixed | |
| bullseye (security) | 2.0.11+ds-4+deb11u6 | fixed | |
| bookworm | 2.16.1+ds-deb12u3 | fixed | |
| sid, trixie | 2.20.1+ds-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| lemonldap-ng | source | experimental | 2.0.14~exp+ds-1 | |||
| lemonldap-ng | source | jessie | (unfixed) | end-of-life | ||
| lemonldap-ng | source | stretch | (not affected) | |||
| lemonldap-ng | source | buster | 2.0.2+ds-7+deb10u7 | |||
| lemonldap-ng | source | bullseye | 2.0.11+ds-4+deb11u1 | |||
| lemonldap-ng | source | (unstable) | 2.0.14+ds-1 | 1005302 |
[stretch] - lemonldap-ng <not-affected> (Vulnerable code introduced in 2.0)
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2612
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/66946e8f754812b375768c2124937137c856fe0c