CVE-2013-4449

NameCVE-2013-4449
DescriptionThe rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-203-1, DSA-3209-1
Debian Bugs729367

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openldap (PTS)jessie, jessie (lts)2.4.40+dfsg-1+deb8u11fixed
stretch (security), stretch (lts), stretch2.4.44+dfsg-5+deb9u9fixed
buster, buster (security)2.4.47+dfsg-3+deb10u7fixed
bullseye (security), bullseye2.4.57+dfsg-3+deb11u1fixed
trixie, bookworm2.5.13+dfsg-5fixed
sid2.5.16+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openldapsourcesqueeze2.4.23-7.3+deb6u1DLA-203-1
openldapsourcewheezy2.4.31-2DSA-3209-1
openldapsource(unstable)2.4.39-1.1low729367

Notes

[wheezy] - openldap <no-dsa> (Minor issue)
[squeeze] - openldap <no-dsa> (Minor issue)
http://www.openldap.org/its/index.cgi/Incoming?id=7723
https://bugzilla.redhat.com/show_bug.cgi?id=1019490

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