CVE-2020-35518

NameCVE-2020-35518
DescriptionWhen 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
389-ds-base (PTS)buster1.4.0.21-1fixed
bullseye1.4.4.11-2fixed
bookworm, sid2.0.15-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
389-ds-basesourcestretch(not affected)
389-ds-basesourcebuster(not affected)
389-ds-basesource(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

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