Red Hat Enterprise Linux Desktop 6/7 389 Directory Server information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Red Hat Enterprise Linux Desktop, Enterprise Linux HPC Node, Enterprise Linux Server and Enterprise Linux Workstation 6/7. Impacted is an unknown function of the component 389 Directory Server. Such manipulation leads to information disclosure. This vulnerability is referenced as CVE-2016-5416. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Red Hat Enterprise Linux Desktop, Enterprise Linux HPC Node, Enterprise Linux Server and Enterprise Linux Workstation 6/7 (Operating System). It has been rated as problematic. Affected by this issue is an unknown part of the component 389 Directory Server. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

389 Directory Server in Red Hat Enterprise Linux Desktop 6 through 7, Red Hat Enterprise Linux HPC Node 6 through 7, Red Hat Enterprise Linux Server 6 through 7, and Red Hat Enterprise Linux Workstation 6 through 7 allows remote attackers to read the default Access Control Instructions.

The bug was discovered 11/03/2016. The weakness was published 06/08/2017 (Website). The advisory is shared for download at rhn.redhat.com. This vulnerability is handled as CVE-2016-5416 since 06/10/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 42 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 95893 (Amazon Linux AMI : 389-ds-base (ALAS-2016-773)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236166 (Red Hat Update for 389-ds-base (RHSA-2016:2594)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95893) and SecurityFocus (BID 99097†). Similar entries are available at VDB-102138 and VDB-102139. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95893
Nessus Name: Amazon Linux AMI : 389-ds-base (ALAS-2016-773)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for 389-ds-base CESA-2016:2765 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/10/2016 🔍
11/03/2016 +146 days 🔍
12/15/2016 +42 days 🔍
12/16/2016 +1 days 🔍
06/08/2017 +174 days 🔍
06/08/2017 +0 days 🔍
06/09/2017 +1 days 🔍
06/16/2017 +7 days 🔍
12/08/2022 +2001 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: RHSA-2016:2594
Researcher: Adam Mariš
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5416 (🔍)
GCVE (CVE): GCVE-0-2016-5416
GCVE (VulDB): GCVE-100-102140
SecurityFocus: 99097 - 389 Directory Server CVE-2016-5416 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 06/09/2017 08:00
Updated: 12/08/2022 10:22
Changes: 06/09/2017 08:00 (75), 10/15/2019 12:52 (5), 12/26/2020 15:30 (2), 12/08/2022 10:22 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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