Buffer over-read in Espruino - CVE-2018-11598
Published: September 9, 2018
Vulnerability identifier: #VU14724
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-11598
CWE-ID: CWE-125
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 gain access to sensitive information and perform a denial of service attack.
The vulnerability exists due to boundary error when parsing files in jsparse.c. A remote attacker can create a specially crafted file and gain access to sensitive information or trigger denial of service conditions.
How to mitigate CVE-2018-11598
Install updates from vendor's website.
Sources
- https://github.com/espruino/Espruino/commit/bf4416ab9129ee3afd56739ea4e3cd0da5484b6b
- https://github.com/espruino/Espruino/files/2025956/test_0.txt
- https://github.com/espruino/Espruino/files/2025963/test_1.txt
- https://github.com/espruino/Espruino/files/2025968/test_2.txt
- https://github.com/espruino/Espruino/issues/1437