National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7185 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/archive/1/540355/100/0/threaded
http://www.securityfocus.com/bid/97370 Third Party Advisory VDB Entry
https://github.com/cesanta/mongoose/commit/b8402ed0733e3f244588b61ad5fedd093e3cf9cc Patch Third Party Advisory
https://github.com/cesanta/mongoose-os/commit/042eb437973a202d00589b13d628181c6de5cf5b Patch Third Party Advisory
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txt Exploit Technical Description Third Party Advisory
https://www.exploit-db.com/exploits/41826/

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cesanta:mongoose_embedded_web_server_library:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.7
 cpe:2.3:o:cesanta:mongoose_os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.2


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7185
NVD Published Date:
04/10/2017
NVD Last Modified:
10/09/2018