CVE-2011-4079
4.0 · MEDIUMOverview
CVE-2011-4079 is a medium-severity vulnerability affecting openldap openldap. It was published on October 27, 2011 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry.
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
| Vendor | Product | Versions | Status |
|---|---|---|---|
| openldap | openldap | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2011-4079?
CVE-2011-4079 is a medium-severity vulnerability affecting openldap openldap. It was published on October 27, 2011 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
How severe is CVE-2011-4079?
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2011-4079?
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-2011-4079?
CyberStrike's AI-powered security agents can automatically detect CVE-2011-4079 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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