SB2018081802 - NULL pointer dereference in EmbedThis GoAhead



SB2018081802 - NULL pointer dereference in EmbedThis GoAhead

Published: August 18, 2018 Updated: July 11, 2019

Security Bulletin ID SB2018081802
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) NULL pointer dereference (CVE-ID: CVE-2018-15505)

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

The vulnerability exists due to  HTTP POST request with a specially crafted "Host" header field may cause a NULL pointer dereference error, as demonstrated by the lack of a trailing ']' character in an IPv6 address. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.