Rule

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Sid
18807

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in openldap.

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Impact:
Denial of Service. Information disclosure. Loss of integrity. 

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Detailed Information:
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.

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Affected Systems:
openldap openldap 2.4.22

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Attack Scenarios:
In an SQL injection attack, the attacker is able to coerce the application into running SQL queries of the attackers choosing. This can lead to a complete compromise of the data stored in the system as well as the attacker being able to gain administrative access to the application.

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Ease of Attack:
Medium.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.
For more information see http://nvd.nist.gov/

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Additional References:

NIST CVE-2010-0212:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-0212
 
Common Weakness Enumeration:
http://cwe.mitre.org/data/definitions/89.html
 
Common Attack Pattern Enumeration and Classification:
http://capec.mitre.org/data/definitions/66.html

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