SB2017050804 - Remote DoS in bind implementation in Red Hat Enterprise Linux 6



SB2017050804 - Remote DoS in bind implementation in Red Hat Enterprise Linux 6

Published: May 8, 2017

Security Bulletin ID SB2017050804
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) Assertion failure (CVE-ID: CVE-2017-3139)

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

The vulnerability exists due to input validation error when processing DNSSEC validation within the bind package in Red Hat Enterprise Linux 6. A remote unauthenticated attacker can send a specially crafted DNS response and trigger assertion failure.

Successful exploitation of this vulnerability may allow an attacker to perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.