Bug 1629990 (CVE-2018-16999)

Summary:	CVE-2018-16999 nasm: Invalid memory write (segmentation fault) in expand_smacro in preproc.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	java-sig-commits, mizdebsk, nickc
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:38:12 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1629991, 1629992
Bug Blocks:	1629993

Description Pedro Sampaio 2018-09-17 18:05:21 UTC

Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation fault) in expand_smacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file.

Upstream bug:

https://bugzilla.nasm.us/show_bug.cgi?id=3392508

Comment 1 Pedro Sampaio 2018-09-17 18:05:48 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1629991]

Comment 3 Scott Gayou 2018-10-02 16:05:42 UTC

Unable to reproduce on RHEL 5-7.