Input validation error in Kerberos 5 - CVE-2012-1014
Published: August 6, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43772
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2012-1014
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MIT
Affected software:
Kerberos 5
Kerberos 5
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
The process_as_req function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x before 1.10.3 does not initialize a certain structure member, which allows remote attackers to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a malformed AS-REQ request.
How to mitigate CVE-2012-1014
Install update from vendor's website.