CVE-2020-18974 — Classic Buffer Overflow in Netwide Assembler

CWE-120 — Classic Buffer OverflowCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents5 sources
Severity
3.3LOWNVD
OSV5.5
EPSS
0.3%
top 47.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nasm Netwide AssemblerDebian Nasm
Timeline
PublishedAug 25
Latest updateMay 24

Description

Buffer Overflow in Netwide Assembler (NASM) v2.15.xx allows attackers to cause a denial of service via 'crc64i' in the component 'nasmlib/crc64'. This issue is different than CVE-2019-7147.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LExploitability: 1.8 | Impact: 1.4

Affected Packages2 packages

▶NVDnasm/netwide_assembler2.15 — 2.15.05
▶debiandebian/nasm

🔴Vulnerability Details

2
GHSA
GHSA-4wgw-2p35-h26h: Buffer Overflow in Netwide Assembler (NASM) v2↗2022-05-24
▶
OSV
CVE-2020-18974: Buffer Overflow in Netwide Assembler (NASM) v2↗2021-08-25
▶

📋Vendor Advisories

2
Debian
CVE-2020-18974: nasm - Buffer Overflow in Netwide Assembler (NASM) v2.15.xx allows attackers to cause a...↗2020
▶
Red Hat
nasm: buffer overflow in crc64i() nasmlib/crc64.c↗2019-04-23
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