SB2019092019 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in EmbedThis GoAhead



SB2019092019 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in EmbedThis GoAhead

Published: September 20, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019092019
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2019-16645)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote non-authenticated attacker to manipulate data.

An issue was discovered in Embedthis GoAhead 2.5.0. Certain pages (such as goform/login and config/log_off_page.htm) create links containing a hostname obtained from an arbitrary HTTP Host header sent by an attacker. This could potentially be used in a phishing attack.


Remediation

Install update from vendor's website.