CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.1	$0-$5k	0.00

A vulnerability was found in UnboundID LDAP SDK (Directory Service Software) (the affected version unknown). It has been declared as critical. This vulnerability affects the function SimpleBindRequest of the component Access Control. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

UnboundID LDAP SDK version from commit 801111d8b5c732266a5dbd4b3bb0b6c7b94d7afb up to commit 8471904a02438c03965d21367890276bc25fa5a6, where the issue was reported and fixed contains an Incorrect Access Control vulnerability in process function in SimpleBindRequest class doesn't check for empty password when running in synchronous mode. commit with applied fix https://github.com/pingidentity/ldapsdk/commit/8471904a02438c03965d21367890276bc25fa5a6#diff-f6cb23b459be1ec17df1da33760087fd that can result in Ability to impersonate any valid user. This attack appear to be exploitable via Providing valid username and empty password against servers that do not do additional validation as per https://tools.ietf.org/html/rfc4513#section-5.1.1. This vulnerability appears to have been fixed in after commit 8471904a02438c03965d21367890276bc25fa5a6.

The bug was discovered 03/09/2018. The weakness was disclosed 03/16/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-1000134 since 03/16/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110114 (RHEL 7 : Virtualization (RHSA-2018:1713)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277695 (Fedora Security Update for unboundid-ldapsdk (FEDORA-2018-c188d3f09a)).

Applying the patch 8471904a02438c03965d21367890276bc25fa5a6 is able to eliminate this problem. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110114).

Productinfo

Type

• Directory Service Software

Vendor

• UnboundID

Name

• LDAP SDK

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 110114
Nessus Name: RHEL 7 : Virtualization (RHSA-2018:1713)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63460
OpenVAS Name: Fedora Update for unboundid-ldapsdk FEDORA-2018-0a473d6e7b
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 8471904a02438c03965d21367890276bc25fa5a6

Timelineinfo

03/09/2018 🔍
03/16/2018 +7 days 🔍
03/16/2018 +0 days 🔍
03/16/2018 +0 days 🔍
03/16/2018 +0 days 🔍
03/17/2018 +1 days 🔍
05/24/2018 +68 days 🔍
05/25/2018 +1 days 🔍
02/22/2023 +1734 days 🔍

Sourcesinfo

Advisory: RHSA-2018:1713
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000134 (🔍)
SecurityFocus: 103458 - UnboundID LDAP SDK for Java CVE-2018-1000134 Authentication Bypass Vulnerability

Entryinfo

Created: 03/17/2018 11:56
Updated: 02/22/2023 09:59
Changes: 03/17/2018 11:56 (76), 01/14/2020 15:30 (5), 02/22/2023 09:59 (4)
Complete: 🔍

Discussion

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