Vulnerability CVE-2017-17815
Published: 2017-12-20   Modified: 2017-12-21

Description:
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in is_mmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.

Type:

CWE-754

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
NASM -> Netwide assmembler 
NASM -> Netwide assembler 
Canonical -> Ubuntu linux 

 References:
http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3
https://bugzilla.nasm.us/show_bug.cgi?id=3392436
https://usn.ubuntu.com/3694-1/
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