CVE-2017-17815 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nasm	Netwide Assembler	2.14
Canonical	Ubuntu Linux	14.04

Related Weaknesses (CWE)

CWE-754

References

http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3PatchVendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392436ExploitIssue TrackingVendor Advisory
https://usn.ubuntu.com/3694-1/Third Party Advisory
http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3PatchVendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392436ExploitIssue TrackingVendor Advisory
https://usn.ubuntu.com/3694-1/Third Party Advisory

FAQ

What is CVE-2017-17815?

CVE-2017-17815 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 relationsh...

How severe is CVE-2017-17815?

CVE-2017-17815 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-17815?

Check the references section above for vendor advisories and patch information. Affected products include: Nasm Netwide Assembler, Canonical Ubuntu Linux.