CVE-2020-23257

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-23257
Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.espruino.com/ Vendor Advisory
http://www.espruino.com/ Vendor Advisory
https://github.com/espruino/Espruino/issues/1820 Exploit Issue Tracking
https://github.com/espruino/Espruino/issues/1820 Exploit Issue Tracking
Configurations

Configuration 1 (hide)

cpe:2.3:o:espruino:espruino:2.05.41:*:*:*:*:*:*:*
History

13 Feb 2025, 17:15

Type Values Removed Values Added
References (MISC) http://www.espruino.com/ - Vendor Advisory () http://www.espruino.com/ - Vendor Advisory
References (MISC) https://github.com/espruino/Espruino/issues/1820 - Exploit, Issue Tracking () https://github.com/espruino/Espruino/issues/1820 - Exploit, Issue Tracking

10 Apr 2023, 18:51

Type Values Removed Values Added
CPE cpe:2.3:o:espruino:espruino:2.05.41:*:*:*:*:*:*:*
CWE CWE-120
References (MISC) https://github.com/espruino/Espruino/issues/1820 - (MISC) https://github.com/espruino/Espruino/issues/1820 - Exploit, Issue Tracking
References (MISC) http://www.espruino.com/ - (MISC) http://www.espruino.com/ - Vendor Advisory
First Time Espruino espruino
Espruino
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

04 Apr 2023, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-04-04 15:15

Updated : 2025-02-13 17:15

NVD link : CVE-2020-23257

Mitre link : CVE-2020-23257

JSON object : View

Products Affected

espruino

  • espruino
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')