CVE-2019-3824

NameCVE-2019-3824
DescriptionA flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1699-1, DSA-4397-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ldb (PTS)bullseye (security), bullseye2:2.2.3-2~deb11u2fixed
samba (PTS)bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm, bookworm (security)2:4.17.12+dfsg-0+deb12u1fixed
trixie2:4.21.2+dfsg-3fixed
sid2:4.21.2+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ldbsourcejessie2:1.1.20-0+deb8u2DLA-1699-1
ldbsourcestretch2:1.1.27-1+deb9u1DSA-4397-1
ldbsource(unstable)2:1.5.1+really1.4.3-2
sambasource(unstable)2:4.9.5+dfsg-1unimportant

Notes

https://bugzilla.samba.org/show_bug.cgi?id=13773
Samba uses the System ldb library

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