#VU45126 Input validation error in Kerberos 5 - CVE-2011-0285 

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Main Vulnerability Database Vulnerabilities #VU45126

#VU45126 Input validation error in Kerberos 5 - CVE-2011-0285

Published: April 15, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU45126
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2011-0285
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Kerberos 5
Software vendor:
MIT

Description

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

The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.


Remediation

Install update from vendor's website.

External links