CVE-2017-17819 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af https://bugzilla.nasm.us/show_bug.cgi?id=3392435 https://usn.ubuntu.com/3694-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5