Resource management error in Kerberos 5 - CVE-2011-0284

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Main Vulnerability Database Vulnerabilities #VU45191

Resource management error in Kerberos 5 - CVE-2011-0284

Published: March 20, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU45191
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2011-0284
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: MIT
Affected software:
Kerberos 5

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.


How to mitigate CVE-2011-0284

Install update from vendor's website.

Sources