// For flags

CVE-2018-1000134

unboundid-ldapsdk: Incorrect Access Control vulnerability in process function in SimpleBindRequest class

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

UnboundID LDAP SDK, desde la versión de commit con ID 801111d8b5c732266a5dbd4b3bb0b6c7b94d7afb hasta el 8471904a02438c03965d21367890276bc25fa5a6, cuando se informó sobre el problema y se solucionó, contiene una vulnerabilidad de control de acceso incorrecto en la función process en la clase SimpleBindRequest que no comprueba una contraseña vacía cuando se ejecuta en modo síncrono. El commit con ID https://github.com/pingidentity/ldapsdk/commit/8471904a02438c03965d21367890276bc25fa5a6#diff-f6cb23b459be1ec17df1da33760087fd con el parche aplicado puede resultar en la capacidad de suplantar a cualquier usuario. El ataque parece ser explotable si se proporciona un nombre de usuario válido y una contraseña vacía contra los servidores que no realizan validación adicional, como indicado en https://tools.ietf.org/html/rfc4513#section-5.1.1. La vulnerabilidad parece haber sido solucionada tras el commit con ID 8471904a02438c03965d21367890276bc25fa5a6.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-03-16 CVE Reserved
  • 2018-03-16 CVE Published
  • 2024-03-23 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
  • CWE-521: Weak Password Requirements
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pingidentity
Search vendor "Pingidentity"
 Ldapsdk
Search vendor "Pingidentity" for product "Ldapsdk"
 >= 1.1.0 <= 4.0.5
Search vendor "Pingidentity" for product "Ldapsdk" and version " >= 1.1.0 <= 4.0.5"
java
Affected