Use-after-free in GoAhead - CVE-2019-5096

 

Use-after-free in GoAhead - CVE-2019-5096

Published: December 3, 2019 / Updated: September 7, 2021


Vulnerability identifier: #VU23339
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-5096
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: EmbedThis
Affected software:
GoAhead

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a multi-part/form-data HTTP request with multiple Content-Disposition headers in the same request. A remote attacker can send a specially crafted HTTP request, corrupt heap structures and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2019-5096

Install updates from vendor's website.

Sources