SB2019061914 - Ubuntu update for samba

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Main Vulnerability Database SB2019061914

SB2019061914 - Ubuntu update for samba

Published: June 19, 2019 Updated: September 4, 2019

Security Bulletin ID SB2019061914
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
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) NULL pointer dereference (CVE-ID: CVE-2019-12435)

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

The vulnerability exists due to a NULL pointer dereference error within the DNS management server (dnsserver) RPC pipe. A remote authenticated user can perform denial of service (DoS) attack against the AD DC server.


2) NULL pointer dereference (CVE-ID: CVE-2019-12436)

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

The vulnerability exists due to a NULL pointer dereference error when processinf LDAP search queries. A remote authenticated user can send a specially crafted request to the affected AD DC LDAP server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References