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    CVE-2010-0212

    OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

    Published:Jul 19, 2010
    Last Modified:Apr 11, 2025
    EPS:Jul 27, 2010
    EPSS Score:0.64006
    CVSS Score:5

    Affected Products

    Vendor
    Openldap
    Product
    Openldap
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6570http://www.securityfocus.com/bid/41770http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6570http://www.securityfocus.com/bid/41770

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-22185 (CVSS 4.6) — OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8,…
    CVE-2023-2953 (CVSS 7.5) — A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x(…
    CVE-2022-29155 (CVSS 9.8) — In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the experimental…
    CVE-2021-27212 (CVSS 7.5) — In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuer…
    CVE-2020-36221 (CVSS 7.5) — An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exac…
    CVE-2020-36222 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo va…
    CVE-2020-36224 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the sasl…
    CVE-2020-36225 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo pr…
    CVE-2020-36226 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in t…
    CVE-2020-36228 (CVSS 7.5) — An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List…

    References

    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
    http://secunia.com/advisories/40639
    http://secunia.com/advisories/40687
    http://secunia.com/advisories/42787
    http://security.gentoo.org/glsa/glsa-201406-36.xml
    http://support.apple.com/kb/HT4435
    http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6570
    http://www.redhat.com/support/errata/RHSA-2010-0542.html
    http://www.securityfocus.com/archive/1/515545/100/0/threaded
    http://www.securityfocus.com/bid/41770
    http://www.securitytracker.com/id?1024221
    http://www.vmware.com/security/advisories/VMSA-2011-0001.html
    http://www.vupen.com/english/advisories/2010/1849
    http://www.vupen.com/english/advisories/2010/1858
    http://www.vupen.com/english/advisories/2011/0025
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
    http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
    http://secunia.com/advisories/40639
    http://secunia.com/advisories/40687
    http://secunia.com/advisories/42787
    http://security.gentoo.org/glsa/glsa-201406-36.xml
    http://support.apple.com/kb/HT4435
    http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6570
    http://www.redhat.com/support/errata/RHSA-2010-0542.html
    http://www.securityfocus.com/archive/1/515545/100/0/threaded
    http://www.securityfocus.com/bid/41770
    http://www.securitytracker.com/id?1024221
    http://www.vmware.com/security/advisories/VMSA-2011-0001.html
    http://www.vupen.com/english/advisories/2010/1849
    http://www.vupen.com/english/advisories/2010/1858
    http://www.vupen.com/english/advisories/2011/0025

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High