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CVE-2010-0211

9.8 · CRITICAL

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 (seg…

Published Jul 28, 2010openldapCWE-252EPSS 28.47%

Overview

CVE-2010-0211 is a critical-severity vulnerability affecting openldap openldap. It was published on July 28, 2010 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from openldap. Update openldap to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
applemac_os_x>= 10.6.0, < 10.6.5Affected
applemac_os_x_server>= 10.6.0, < 10.6.5Affected

References

Refkb.juniper.net/InfoCenter/index?page=content&id=JSA10705Reflists.apple.com/archives/security-announce/2010//Nov/msg00000.htmlReflists.opensuse.org/opensuse-security-announce/2010-08/msg00001.htmlRefsecunia.com/advisories/40639Refsecunia.com/advisories/40677Refsecunia.com/advisories/40687Refsecunia.com/advisories/42787Refsecurity.gentoo.org/glsa/glsa-201406-36.xmlRefsupport.apple.com/kb/HT4435Refwww.openldap.org/its/index.cgi/Software%20Bugs?id=6570

How CyberStrike helps

Frequently asked questions

What is CVE-2010-0211?

CVE-2010-0211 is a critical-severity vulnerability affecting openldap openldap. It was published on July 28, 2010 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2010-0211?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-0211?

Check the references section for vendor advisories and patches from openldap. Update openldap to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-0211?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-0211 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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