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
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2019-16645)
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.