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CVE
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CVE-2011-4079Date: (C)2011-10-27   (M)2018-02-19


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 4.0
Exploit Score: Exploit Score: 8.0
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: SINGLE_INSTANCE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECUNIA-46599
BID-50384
GLSA-201406-36
USN-1266-1
http://www.openwall.com/lists/oss-security/2011/10/26/5
http://www.openwall.com/lists/oss-security/2011/10/26/9
http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commitdiff;h=507238713b71208ec4f262f312cb495a302df9e9
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059;selectid=7059
https://bugzilla.redhat.com/show_bug.cgi?id=749324
openldap-utf8stringnormalize-dos(70991)

CPE    21
cpe:/a:openldap:openldap:2.4.12
cpe:/a:openldap:openldap:2.4.11
cpe:/a:openldap:openldap:2.4.14
cpe:/a:openldap:openldap:2.4.13
...
CWE    1
CWE-189
OVAL    1
oval:org.secpod.oval:def:700650

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