SB2011102103 - Input validation error in MIT Kerberos 5
Published: October 21, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011102103
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2011-4151)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528.
Remediation
Install update from vendor's website.