Input validation error in Kerberos 5 - CVE-2014-4345

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Main Vulnerability Database Vulnerabilities #VU41405

Input validation error in Kerberos 5 - CVE-2014-4345

Published: August 14, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU41405
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-4345
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: MIT
Affected software:
Kerberos 5

Detailed vulnerability description

The vulnerability allows a remote #AU# to execute arbitrary code.

Off-by-one error in the krb5_encode_krbsecretkey function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) 1.6.x through 1.11.x before 1.11.6 and 1.12.x before 1.12.2 allows remote authenticated users to cause a denial of service (buffer overflow) or possibly execute arbitrary code via a series of "cpw -keepold" commands.


How to mitigate CVE-2014-4345

Install update from vendor's website.

Sources