Buffer Overflow Vulnerability in NASM by NASM Team
CVE-2020-21687

5.5MEDIUM

Key Information:

Vendor

Nasm

Status
Netwide Assembler
Vendor
CVE Published:
22 August 2023

What is CVE-2020-21687?

A buffer overflow vulnerability exists in the scan function located in stdscan.c of NASM 2.15rc0. This flaw enables remote attackers to craft malicious asm files, which can lead to a denial of service by exploiting this vulnerability. It is crucial for users of NASM to be aware of this risk and apply necessary mitigations.

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392645

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.