Executive Summary

Summary
Title OpenLDAP vulnerability
Informations
Name USN-4352-2 First vendor Publication 2020-05-06
Vendor Ubuntu Last vendor Modification 2020-05-06
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

Summary:

OpenLDAP could be made to crash if it received specially crafted network traffic.

Software Description: - openldap: Lightweight Directory Access Protocol

Details:

USN-4352-1 fixed a vulnerability in OpenLDAP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that OpenLDAP incorrectly handled certain queries. A
remote attacker could possibly use this issue to cause OpenLDAP to consume
resources, resulting in a denial of service.

Update instructions:

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

Ubuntu 14.04 ESM:
slapd 2.4.31-1+nmu2ubuntu8.5+esm2

Ubuntu 12.04 ESM:
slapd 2.4.28-1.1ubuntu4.10

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

References:
https://usn.ubuntu.com/4352-2
https://usn.ubuntu.com/4352-1
CVE-2020-12243

Original Source

Url : http://www.ubuntu.com/usn/USN-4352-2

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 208
Os 3

Alert History

If you want to see full details history, please login or register.
0
1
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-05-06 21:18:49
  • First insertion