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CVE-2017-17819

Published: 20 December 2017

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
nasm
Launchpad, Ubuntu, Debian
upstream
Released (2.13.02)
precise Does not exist

trusty Does not exist
(trusty was released [2.10.09-1ubuntu0.1])
xenial
Released (2.11.08-1ubuntu0.1)
artful
Released (2.13.01-2ubuntu0.1)
bionic Not vulnerable
(2.13.02-0.1)
Patches:
upstream: http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H