|The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.|
Jasig CAS Server: bypassing LDAP authentication via Wildcard
Synthesis of the vulnerability
An attacker can use the wildcard character on Jasig CAS Server, in order to ease a brute force attack on the LDAP directory.
Vulnerable products: CAS Server.
Severity of this weakness: 2/4.
Consequences of an attack: user access/rights.
Hacker's origin: intranet client.
Creation date: 21/01/2015.
Références of this bulletin: CVE-2015-1169, VIGILANCE-VUL-16020.
Description of the vulnerability
The Jasig CAS Server product uses a LDAP directory to store login/password of users.
However, if user "laurent" exists, an attacker can only enter "la*" with his valid password, to authenticate on the account.
An attacker can therefore use the wildcard character on Jasig CAS Server, in order to ease a brute force attack on the LDAP directory.
Full Vigil@nce bulletin... (Free trial)
Computer vulnerabilities tracking service
Vigil@nce provides a network vulnerability announce. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system. The Vigil@nce vulnerability database contains several thousand vulnerabilities.