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.
Published 2011-10-27 20:55:02
Updated 2023-02-13 04:32:41
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Threat overview for CVE-2011-4079

Top countries where our scanners detected CVE-2011-4079
Top open port discovered on systems with this issue 389
IPs affected by CVE-2011-4079 838
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-4079!
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Exploit prediction scoring system (EPSS) score for CVE-2011-4079

Probability of exploitation activity in the next 30 days: 3.63%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-4079

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.0
MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P
8.0
2.9
NIST

CWE ids for CVE-2011-4079

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4079

Products affected by CVE-2011-4079

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