Buffer overflow in Espruino - CVE-2018-11597
Published: September 9, 2018
Vulnerability identifier: #VU14725
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-11597
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pur3 Ltd.
Affected software:
Espruino
Espruino
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to boundary error during syntax parsing because of a missing check for stack exhaustion with many '{' characters in jsparse.c. A remote attacker can cause a denial of service (application crash) with a user specially crafted input file.
How to mitigate CVE-2018-11597
Install update from vendor's website.