SB2014111104 - Vulnerability in Kerberos Could Allow Elevation of Privilege
Published: November 11, 2014
Security Bulletin ID
SB2014111104
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Privilege escalation (CVE-ID: CVE-2014-6324)
The vulnerability allows a remote authenticated attacker to obtain elevated privileges on the target system.The weakness exists due to the failure to properly validate signatures in the Kerberos ticket by the Microsoft Kerberos KDC implementation. A remote attacker can forge a ticket and elevate an unprivileged domain user account to a domain administrator account.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.