CVE-2020-23257 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Espruino	Espruino	2.05.41

Related Weaknesses (CWE)

CWE-120

References

http://www.espruino.com/Vendor Advisory
https://github.com/espruino/Espruino/issues/1820ExploitIssue Tracking
http://www.espruino.com/Vendor Advisory
https://github.com/espruino/Espruino/issues/1820ExploitIssue Tracking

FAQ

What is CVE-2020-23257?

CVE-2020-23257 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2020-23257?

CVE-2020-23257 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-23257?

Check the references section above for vendor advisories and patch information. Affected products include: Espruino Espruino.