CVE-2011-4079 Detail

Current 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.


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Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
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Base Score:  N/A
NVD score not yet provided.


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Hyperlink Resource
http://security.gentoo.org/glsa/glsa-201406-36.xml
http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commitdiff;h=507238713b71208ec4f262f312cb495a302df9e9 Patch 
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059;selectid=7059
http://www.openwall.com/lists/oss-security/2011/10/26/5
http://www.openwall.com/lists/oss-security/2011/10/26/9
http://www.securityfocus.com/bid/50384
http://www.ubuntu.com/usn/USN-1266-1
https://bugzilla.redhat.com/show_bug.cgi?id=749324 Patch 
https://exchange.xforce.ibmcloud.com/vulnerabilities/70991

Weakness Enumeration

CWE-ID CWE Name Source
CWE-189 Numeric Errors cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-4079
NVD Published Date:
10/27/2011
NVD Last Modified:
08/28/2017
Source:
Red Hat, Inc.