CVE-2010-0211

Name	CVE-2010-0211
Description	The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the smr_normalize function, which allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a modrdn call with an RDN string containing invalid UTF-8 sequences, which triggers a free of an invalid, uninitialized pointer in the slap_mods_free function, as demonstrated using the Codenomicon LDAPv3 test suite.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2077-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openldap (PTS)	jessie, jessie (lts)	2.4.40+dfsg-1+deb8u11	fixed
	stretch (security), stretch (lts), stretch	2.4.44+dfsg-5+deb9u9	fixed
	buster (security), buster, buster (lts)	2.4.47+dfsg-3+deb10u7	fixed
	bullseye (security), bullseye	2.4.57+dfsg-3+deb11u1	fixed
	bookworm	2.5.13+dfsg-5	fixed
	sid, trixie	2.5.18+dfsg-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openldap	source	lenny	2.4.11-1+lenny2		DSA-2077-1
openldap	source	(unstable)	2.4.23-1