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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-203-1, DSA-3209-1
NVD severitymedium (attack range: remote)
Debian Bugs729367

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openldap (PTS)wheezy2.4.31-2+deb7u2fixed
wheezy (security)2.4.31-2+deb7u3fixed
jessie (security), jessie2.4.40+dfsg-1+deb8u3fixed
stretch2.4.44+dfsg-5+deb9u1fixed
buster, sid2.4.45+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openldapsource(unstable)2.4.39-1.1low729367
openldapsourcesqueeze2.4.23-7.3+deb6u1mediumDLA-203-1
openldapsourcewheezy2.4.31-2mediumDSA-3209-1

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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