CVE-2020-18780 — MEDIUM (5.5)

Vulnerability Description

A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nasm	Netwide Assembler	2.14.02

Related Weaknesses (CWE)

CWE-416

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392634ExploitIssue TrackingThird Party Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392634ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2020-18780?

CVE-2020-18780 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.

How severe is CVE-2020-18780?

CVE-2020-18780 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-18780?

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