CVE-2020-18974

2021-08-2516:15:08

Debian Security Bug Tracker

security-tracker.debian.org

cve-2020-18974

buffer overflow

netwide assembler

denial of service

crc64i

nasmlib

unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

EPSS

0.001

Percentile

26.7%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allnasm<= 2.16.01-1nasm_2.16.01-1_all.deb
Debian11allnasm<= 2.15.05-1nasm_2.15.05-1_all.deb
Debian999allnasm<= 2.16.03-1nasm_2.16.03-1_all.deb
Debian13allnasm<= 2.16.03-1nasm_2.16.03-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	nasm	<= 2.16.01-1	nasm_2.16.01-1_all.deb
Debian	11	all	nasm	<= 2.15.05-1	nasm_2.15.05-1_all.deb
Debian	999	all	nasm	<= 2.16.03-1	nasm_2.16.03-1_all.deb
Debian	13	all	nasm	<= 2.16.03-1	nasm_2.16.03-1_all.deb