Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title OpenLDAP vulnerability
Informations
Name USN-1266-1 First vendor Publication 2011-11-17
Vendor Ubuntu Last vendor Modification 2011-11-17
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS

Summary:

An OpenLDAP server could potentially be made to crash if it received specially crafted network traffic from an authenticated user.

Software Description: - openldap: OpenLDAP utilities

Details:

It was discovered that slapd contained an off-by-one error. An authenticated attacker could potentially exploit this by sending a crafted crafted LDIF entry containing an empty postalAddress.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 11.10:
slapd 2.4.25-1.1ubuntu4.1

Ubuntu 11.04:
slapd 2.4.23-6ubuntu6.1

Ubuntu 10.10:
slapd 2.4.23-0ubuntu3.7

Ubuntu 10.04 LTS:
slapd 2.4.21-0ubuntu5.6

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1266-1
CVE-2011-4079

Package Information:
https://launchpad.net/ubuntu/+source/openldap/2.4.25-1.1ubuntu4.1
https://launchpad.net/ubuntu/+source/openldap/2.4.23-6ubuntu6.1
https://launchpad.net/ubuntu/+source/openldap/2.4.23-0ubuntu3.7
https://launchpad.net/ubuntu/+source/openldap/2.4.21-0ubuntu5.6

Original Source

Url : http://www.ubuntu.com/usn/USN-1266-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-189 Numeric Errors (CWE/SANS Top 25)

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:15434
 
Oval ID: oval:org.mitre.oval:def:15434
Title: USN-1266-1 -- OpenLDAP vulnerability
Description: openldap: OpenLDAP utilities An OpenLDAP server could potentially be made to crash if it received specially crafted network traffic from an authenticated user.
Family: unix Class: patch
Reference(s): USN-1266-1
CVE-2011-4079
Version: 5
Platform(s): Ubuntu 11.04
Ubuntu 11.10
Ubuntu 10.04
Ubuntu 10.10
Product(s): OpenLDAP
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 187

OpenVAS Exploits

Date Description
2011-11-18 Name : Ubuntu Update for openldap USN-1266-1
File : nvt/gb_ubuntu_USN_1266_1.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
76632 OpenLDAP Off-by-One UTF8StringNormalize() Function Empty postalAddressAttribu...

Nessus® Vulnerability Scanner

Date Description
2014-07-01 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201406-36.nasl - Type : ACT_GATHER_INFO
2011-11-18 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-1266-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:59:16
  • Multiple Updates