CVE-2018-20356

An invalid read of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/insi2304/mongoose-6.13-fuzz/blob/master/Simplest_Web_Server_Use_After_Free-read_mg_http_free_proto_data_cgi.png	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-06-10 17:29

Updated : 2023-12-10 12:59

NVD link : CVE-2018-20356

Mitre link : CVE-2018-20356

CVE.ORG link : CVE-2018-20356

JSON object : View

Products Affected

cesanta

mongoose

CWE

CWE-416

Use After Free

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