SB2015022001 - Input validation error in MIT Kerberos 5



SB2015022001 - Input validation error in MIT Kerberos 5

Published: February 20, 2015 Updated: May 27, 2022

Security Bulletin ID SB2015022001
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2014-5355)

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can (1) cause a denial of service (NULL pointer dereference) via a zero-byte version string or (2) cause a denial of service (out-of-bounds read) by omitting the '' character, related to appl/user_user/server.c and lib/krb5/krb/recvauth.c.


Remediation

Install update from vendor's website.