CVE-2011-4079

N/A Unknown
Published: October 27, 2011 Modified: April 29, 2026
View on NVD

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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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/46599
Source: secalert@redhat.com
Vendor Advisory
http://security.gentoo.org/glsa/glsa-201406-36.xml
Source: secalert@redhat.com
http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9
Source: secalert@redhat.com
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059
Source: secalert@redhat.com
http://www.openwall.com/lists/oss-security/2011/10/26/5
Source: secalert@redhat.com
http://www.openwall.com/lists/oss-security/2011/10/26/9
Source: secalert@redhat.com
http://www.securityfocus.com/bid/50384
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1266-1
Source: secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=749324
Source: secalert@redhat.com
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/70991
Source: secalert@redhat.com
http://secunia.com/advisories/46599
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://security.gentoo.org/glsa/glsa-201406-36.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/10/26/5
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/10/26/9
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/50384
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1266-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=749324
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/70991
Source: af854a3a-2127-422b-91ae-364da2661108

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
3.7%
88th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-189

Affected Vendors

openldap

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