SB2015040901 - Fedora 22 update for krb5

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Main Vulnerability Database SB2015040901

SB2015040901 - Fedora 22 update for krb5

Published: April 9, 2015 Updated: April 24, 2025

Security Bulletin ID SB2015040901
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2014-5353)

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (daemon crash) via a successful LDAP query with no results, as demonstrated by using an incorrect object type for a password policy.


2) 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.

References