Use-after-free in Mongoose - CVE-2017-7185
Published: October 9, 2018 / Updated: June 23, 2025
Vulnerability identifier: #VU111836
CSH Severity: Medium
CVSS v4.0:
CVE-ID: CVE-2017-7185
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Cesanta Software Ltd.
Affected software:
Mongoose
Mongoose
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 multipart/form-data POST request without a MIME boundary string. A remote attackers can cause a denial of service (crash).
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2017-7185
Install update from vendor's website.
Sources
- http://www.securityfocus.com/archive/1/540355/100/0/threaded
- http://www.securityfocus.com/bid/97370
- https://github.com/cesanta/mongoose/commit/b8402ed0733e3f244588b61ad5fedd093e3cf9cc
- https://github.com/cesanta/mongoose-os/commit/042eb437973a202d00589b13d628181c6de5cf5b
- https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txt
- https://www.exploit-db.com/exploits/41826/