| Name | CVE-2020-35518 |
| Description | When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| 389-ds-base (PTS) | buster | 1.4.0.21-1 | fixed |
| buster (security) | 1.4.0.21-1+deb10u1 | fixed |
| bullseye | 1.4.4.11-2 | fixed |
| bookworm | 2.3.1+dfsg1-1 | fixed |
| trixie | 2.4.4+dfsg1-3 | fixed |
| sid | 2.4.5+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| 389-ds-base | source | stretch | (not affected) | | | |
| 389-ds-base | source | buster | (not affected) | | | |
| 389-ds-base | source | (unstable) | 1.4.4.10-1 | | | |
Notes
[buster] - 389-ds-base <not-affected> (Vulnerable code introduced later)
[stretch] - 389-ds-base <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=1905565
https://github.com/389ds/389-ds-base/issues/4480
https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bc (master)
https://github.com/389ds/389-ds-base/commit/38b97faef8a6421a7a638ecdbf0b341e2b3f9ab3 (1.4.4.10)
Introduced as side-effect of https://github.com/389ds/389-ds-base/issues/2535