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.

Rebase package(s) to version: 4.0.5

CVE-2018-1000134 has been fixed in 4.0.5 release of the UnboundID LDAP SDK for Java. A blog post has been written covering the details of this CVE and is available at https://nawilson.com/2018/03/19/cve-2018-1000134-and-the-unboundid-lda p-sdk-for-java/

Further bugfixing and improvements are detailed in 4.0.5 release notes at https://github.com/pingidentity/ldapsdk/releases/tag/4.0.5

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update for unboundid-ldapsdk is now available for Red Hat Virtualization Engine 4.1.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The UnboundID LDAP SDK for Java is a free Java library for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communications.

The following packages have been upgraded to a later upstream version:
unboundid-ldapsdk (4.0.5). (BZ#1558308)

Security Fix(es) :

* unboundid-ldapsdk: Incorrect Access Control vulnerability in process function in SimpleBindRequest class (CVE-2018-1000134)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

ID	Name	Product	Family	Severity
120872	Fedora 28 : unboundid-ldapsdk (2018-e8635ed222)	Nessus	Fedora Local Security Checks	critical
110114	RHEL 7 : Virtualization (RHSA-2018:1713)	Nessus	Red Hat Local Security Checks	critical
108736	Fedora 26 : unboundid-ldapsdk (2018-c188d3f09a)	Nessus	Fedora Local Security Checks	critical
108732	Fedora 27 : unboundid-ldapsdk (2018-0a473d6e7b)	Nessus	Fedora Local Security Checks	critical

Detections

Analytics

CVE-2018-1000134

critical

Tenable Plugins

critical

critical

critical

critical