CVE-2018-11595 Information

Description

Espruino before 1.99 allows attackers to cause a denial of service (application crash) and a potential Escalation of Privileges with a user crafted input file via a Buffer Overflow during syntax parsing because strncat is misused.

CVSS Vector

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

Reference

https://github.com/espruino/Espruino/commit/0a7619875bf79877907205f6bee08465b89ff10b https://github.com/espruino/Espruino/files/2019210/test_0.txt https://github.com/espruino/Espruino/files/2019216/test_2.txt https://github.com/espruino/Espruino/files/2019220/test_4.txt https://github.com/espruino/Espruino/issues/1425

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8