CVE-2017-7185 Information

Description

Use-after-free vulnerability in the mg_http_multipart_wait_for_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.7 and earlier and Mongoose OS 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a multipart/form-data POST request without a MIME boundary string.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5