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Vulnerability Details : CVE-2011-4079

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.
Publish Date : 2011-10-27 Last Update Date : 2012-02-16
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- CVSS Scores & Vulnerability Types

CVSS Score
4.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 189

- Products Affected By CVE-2011-4079

# Product Type Vendor Product Version Update Edition Language
1 Application Openldap Openldap 1.0 Version Details Vulnerabilities
2 Application Openldap Openldap 1.0.1 Version Details Vulnerabilities
3 Application Openldap Openldap 1.0.2 Version Details Vulnerabilities
4 Application Openldap Openldap 1.0.3 Version Details Vulnerabilities
5 Application Openldap Openldap 1.1 Version Details Vulnerabilities
6 Application Openldap Openldap 1.1.0 Version Details Vulnerabilities
7 Application Openldap Openldap 1.1.1 Version Details Vulnerabilities
8 Application Openldap Openldap 1.1.2 Version Details Vulnerabilities
9 Application Openldap Openldap 1.1.3 Version Details Vulnerabilities
10 Application Openldap Openldap 1.1.4 Version Details Vulnerabilities
11 Application Openldap Openldap 1.2 Version Details Vulnerabilities
12 Application Openldap Openldap 1.2.0 Version Details Vulnerabilities
13 Application Openldap Openldap 1.2.1 Version Details Vulnerabilities
14 Application Openldap Openldap 1.2.2 Version Details Vulnerabilities
15 Application Openldap Openldap 1.2.3 Version Details Vulnerabilities
16 Application Openldap Openldap 1.2.4 Version Details Vulnerabilities
17 Application Openldap Openldap 1.2.5 Version Details Vulnerabilities
18 Application Openldap Openldap 1.2.6 Version Details Vulnerabilities
19 Application Openldap Openldap 1.2.7 Version Details Vulnerabilities
20 Application Openldap Openldap 1.2.8 Version Details Vulnerabilities
21 Application Openldap Openldap 1.2.9 Version Details Vulnerabilities
22 Application Openldap Openldap 1.2.10 Version Details Vulnerabilities
23 Application Openldap Openldap 1.2.11 Version Details Vulnerabilities
24 Application Openldap Openldap 1.2.12 Version Details Vulnerabilities
25 Application Openldap Openldap 1.2.13 Version Details Vulnerabilities
26 Application Openldap Openldap 2.0 Version Details Vulnerabilities
27 Application Openldap Openldap 2.0.0 Version Details Vulnerabilities
28 Application Openldap Openldap 2.0.1 Version Details Vulnerabilities
29 Application Openldap Openldap 2.0.2 Version Details Vulnerabilities
30 Application Openldap Openldap 2.0.3 Version Details Vulnerabilities
31 Application Openldap Openldap 2.0.4 Version Details Vulnerabilities
32 Application Openldap Openldap 2.0.5 Version Details Vulnerabilities
33 Application Openldap Openldap 2.0.6 Version Details Vulnerabilities
34 Application Openldap Openldap 2.0.7 Version Details Vulnerabilities
35 Application Openldap Openldap 2.0.8 Version Details Vulnerabilities
36 Application Openldap Openldap 2.0.9 Version Details Vulnerabilities
37 Application Openldap Openldap 2.0.10 Version Details Vulnerabilities
38 Application Openldap Openldap 2.0.11 Version Details Vulnerabilities
39 Application Openldap Openldap 2.0.11 11 Version Details Vulnerabilities
40 Application Openldap Openldap 2.0.11 9 Version Details Vulnerabilities
41 Application Openldap Openldap 2.0.11 11s Version Details Vulnerabilities
42 Application Openldap Openldap 2.0.12 Version Details Vulnerabilities
43 Application Openldap Openldap 2.0.13 Version Details Vulnerabilities
44 Application Openldap Openldap 2.0.14 Version Details Vulnerabilities
45 Application Openldap Openldap 2.0.15 Version Details Vulnerabilities
46 Application Openldap Openldap 2.0.16 Version Details Vulnerabilities
47 Application Openldap Openldap 2.0.17 Version Details Vulnerabilities
48 Application Openldap Openldap 2.0.18 Version Details Vulnerabilities
49 Application Openldap Openldap 2.0.19 Version Details Vulnerabilities
50 Application Openldap Openldap 2.0.20 Version Details Vulnerabilities
51 Application Openldap Openldap 2.0.21 Version Details Vulnerabilities
52 Application Openldap Openldap 2.0.22 Version Details Vulnerabilities
53 Application Openldap Openldap 2.0.23 Version Details Vulnerabilities
54 Application Openldap Openldap 2.0.24 Version Details Vulnerabilities
55 Application Openldap Openldap 2.0.25 Version Details Vulnerabilities
56 Application Openldap Openldap 2.0.26 Version Details Vulnerabilities
57 Application Openldap Openldap 2.0.27 Version Details Vulnerabilities
58 Application Openldap Openldap 2.1.2 Version Details Vulnerabilities
59 Application Openldap Openldap 2.1.3 Version Details Vulnerabilities
60 Application Openldap Openldap 2.1.4 Version Details Vulnerabilities
61 Application Openldap Openldap 2.1.5 Version Details Vulnerabilities
62 Application Openldap Openldap 2.1.6 Version Details Vulnerabilities
63 Application Openldap Openldap 2.1.7 Version Details Vulnerabilities
64 Application Openldap Openldap 2.1.8 Version Details Vulnerabilities
65 Application Openldap Openldap 2.1.9 Version Details Vulnerabilities
66 Application Openldap Openldap 2.1.10 Version Details Vulnerabilities
67 Application Openldap Openldap 2.1.11 Version Details Vulnerabilities
68 Application Openldap Openldap 2.1.12 Version Details Vulnerabilities
69 Application Openldap Openldap 2.1.13 Version Details Vulnerabilities
70 Application Openldap Openldap 2.1.14 Version Details Vulnerabilities
71 Application Openldap Openldap 2.1.15 Version Details Vulnerabilities
72 Application Openldap Openldap 2.1.16 Version Details Vulnerabilities
73 Application Openldap Openldap 2.1.17 Version Details Vulnerabilities
74 Application Openldap Openldap 2.1.18 Version Details Vulnerabilities
75 Application Openldap Openldap 2.1.19 Version Details Vulnerabilities
76 Application Openldap Openldap 2.1 .20 Version Details Vulnerabilities
77 Application Openldap Openldap 2.1.20 Version Details Vulnerabilities
78 Application Openldap Openldap 2.1.21 Version Details Vulnerabilities
79 Application Openldap Openldap 2.1.22 Version Details Vulnerabilities
80 Application Openldap Openldap 2.1.23 Version Details Vulnerabilities
81 Application Openldap Openldap 2.1.24 Version Details Vulnerabilities
82 Application Openldap Openldap 2.1.25 Version Details Vulnerabilities
83 Application Openldap Openldap 2.1.26 Version Details Vulnerabilities
84 Application Openldap Openldap 2.1.27 Version Details Vulnerabilities
85 Application Openldap Openldap 2.1.28 Version Details Vulnerabilities
86 Application Openldap Openldap 2.1.29 Version Details Vulnerabilities
87 Application Openldap Openldap 2.1.30 Version Details Vulnerabilities
88 Application Openldap Openldap 2.2.0 Version Details Vulnerabilities
89 Application Openldap Openldap 2.2.1 Version Details Vulnerabilities
90 Application Openldap Openldap 2.2.4 Version Details Vulnerabilities
91 Application Openldap Openldap 2.2.5 Version Details Vulnerabilities
92 Application Openldap Openldap 2.2.6 Version Details Vulnerabilities
93 Application Openldap Openldap 2.2.7 Version Details Vulnerabilities
94 Application Openldap Openldap 2.2.8 Version Details Vulnerabilities
95 Application Openldap Openldap 2.2.9 Version Details Vulnerabilities
96 Application Openldap Openldap 2.2.10 Version Details Vulnerabilities
97 Application Openldap Openldap 2.2.11 Version Details Vulnerabilities
98 Application Openldap Openldap 2.2.12 Version Details Vulnerabilities
99 Application Openldap Openldap 2.2.13 Version Details Vulnerabilities
100 Application Openldap Openldap 2.2.14 Version Details Vulnerabilities
101 Application Openldap Openldap 2.2.15 Version Details Vulnerabilities
102 Application Openldap Openldap 2.2.16 Version Details Vulnerabilities
103 Application Openldap Openldap 2.2.17 Version Details Vulnerabilities
104 Application Openldap Openldap 2.2.18 Version Details Vulnerabilities
105 Application Openldap Openldap 2.2.19 Version Details Vulnerabilities
106 Application Openldap Openldap 2.2.20 Version Details Vulnerabilities
107 Application Openldap Openldap 2.2.21 Version Details Vulnerabilities
108 Application Openldap Openldap 2.2.22 Version Details Vulnerabilities
109 Application Openldap Openldap 2.2.23 Version Details Vulnerabilities
110 Application Openldap Openldap 2.2.24 Version Details Vulnerabilities
111 Application Openldap Openldap 2.2.25 Version Details Vulnerabilities
112 Application Openldap Openldap 2.2.26 Version Details Vulnerabilities
113 Application Openldap Openldap 2.2.27 Version Details Vulnerabilities
114 Application Openldap Openldap 2.3.4 Version Details Vulnerabilities
115 Application Openldap Openldap 2.3.5 Version Details Vulnerabilities
116 Application Openldap Openldap 2.3.6 Version Details Vulnerabilities
117 Application Openldap Openldap 2.3.7 Version Details Vulnerabilities
118 Application Openldap Openldap 2.3.8 Version Details Vulnerabilities
119 Application Openldap Openldap 2.3.9 Version Details Vulnerabilities
120 Application Openldap Openldap 2.3.10 Version Details Vulnerabilities
121 Application Openldap Openldap 2.3.11 Version Details Vulnerabilities
122 Application Openldap Openldap 2.3.12 Version Details Vulnerabilities
123 Application Openldap Openldap 2.3.13 Version Details Vulnerabilities
124 Application Openldap Openldap 2.3.14 Version Details Vulnerabilities
125 Application Openldap Openldap 2.3.15 Version Details Vulnerabilities
126 Application Openldap Openldap 2.3.16 Version Details Vulnerabilities
127 Application Openldap Openldap 2.3.17 Version Details Vulnerabilities
128 Application Openldap Openldap 2.3.18 Version Details Vulnerabilities
129 Application Openldap Openldap 2.3.19 Version Details Vulnerabilities
130 Application Openldap Openldap 2.3.20 Version Details Vulnerabilities
131 Application Openldap Openldap 2.3.21 Version Details Vulnerabilities
132 Application Openldap Openldap 2.3.22 Version Details Vulnerabilities
133 Application Openldap Openldap 2.3.23 Version Details Vulnerabilities
134 Application Openldap Openldap 2.3.24 Version Details Vulnerabilities
135 Application Openldap Openldap 2.3.25 Version Details Vulnerabilities
136 Application Openldap Openldap 2.3.26 Version Details Vulnerabilities
137 Application Openldap Openldap 2.3.27 Version Details Vulnerabilities
138 Application Openldap Openldap 2.3.28 Version Details Vulnerabilities
139 Application Openldap Openldap 2.3.29 Version Details Vulnerabilities
140 Application Openldap Openldap 2.3.30 Version Details Vulnerabilities
141 Application Openldap Openldap 2.3.31 Version Details Vulnerabilities
142 Application Openldap Openldap 2.3.32 Version Details Vulnerabilities
143 Application Openldap Openldap 2.3.33 Version Details Vulnerabilities
144 Application Openldap Openldap 2.3.34 Version Details Vulnerabilities
145 Application Openldap Openldap 2.3.35 Version Details Vulnerabilities
146 Application Openldap Openldap 2.3.36 Version Details Vulnerabilities
147 Application Openldap Openldap 2.3.37 Version Details Vulnerabilities
148 Application Openldap Openldap 2.3.38 Version Details Vulnerabilities
149 Application Openldap Openldap 2.3.39 Version Details Vulnerabilities
150 Application Openldap Openldap 2.3.40 Version Details Vulnerabilities
151 Application Openldap Openldap 2.3.41 Version Details Vulnerabilities
152 Application Openldap Openldap 2.3.42 Version Details Vulnerabilities
153 Application Openldap Openldap 2.3.43 Version Details Vulnerabilities
154 Application Openldap Openldap 2.4.3 Version Details Vulnerabilities
155 Application Openldap Openldap 2.4.6 Version Details Vulnerabilities
156 Application Openldap Openldap 2.4.7 Version Details Vulnerabilities
157 Application Openldap Openldap 2.4.8 Version Details Vulnerabilities
158 Application Openldap Openldap 2.4.9 Version Details Vulnerabilities
159 Application Openldap Openldap 2.4.10 Version Details Vulnerabilities
160 Application Openldap Openldap 2.4.11 Version Details Vulnerabilities
161 Application Openldap Openldap 2.4.12 Version Details Vulnerabilities
162 Application Openldap Openldap 2.4.13 Version Details Vulnerabilities
163 Application Openldap Openldap 2.4.14 Version Details Vulnerabilities
164 Application Openldap Openldap 2.4.15 Version Details Vulnerabilities
165 Application Openldap Openldap 2.4.16 Version Details Vulnerabilities
166 Application Openldap Openldap 2.4.17 Version Details Vulnerabilities
167 Application Openldap Openldap 2.4.18 Version Details Vulnerabilities
168 Application Openldap Openldap 2.4.19 Version Details Vulnerabilities
169 Application Openldap Openldap 2.4.20 Version Details Vulnerabilities
170 Application Openldap Openldap 2.4.21 Version Details Vulnerabilities
171 Application Openldap Openldap 2.4.22 Version Details Vulnerabilities
172 Application Openldap Openldap 2.4.23 Version Details Vulnerabilities
173 Application Openldap Openldap 2.4.24 Version Details Vulnerabilities
174 Application Openldap Openldap 2.4.25 Version Details Vulnerabilities
175 Application Openldap Openldap 2.4.26 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openldap Openldap 175

- References For CVE-2011-4079

http://www.securityfocus.com/bid/50384
BID 50384 OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability Release Date:2014-07-02
http://www.openwall.com/lists/oss-security/2011/10/26/9
MLIST [oss-security] 20111026 Re: CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow
http://www.openwall.com/lists/oss-security/2011/10/26/5
MLIST [oss-security] 20111026 CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059;selectid=7059
http://xforce.iss.net/xforce/xfdb/70991
XF openldap-utf8stringnormalize-dos(70991)
http://www.ubuntu.com/usn/USN-1266-1
UBUNTU USN-1266-1
https://bugzilla.redhat.com/show_bug.cgi?id=749324
http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commitdiff;h=507238713b71208ec4f262f312cb495a302df9e9
http://secunia.com/advisories/46599
SECUNIA 46599

- Metasploit Modules Related To CVE-2011-4079

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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