Bug 1529312 (CVE-2017-17810)

Summary:	CVE-2017-17810 nasm: Segfault via mishandled macro calls in asm/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
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:	2019-06-08 03:35:14 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:	1529336
Bug Blocks:

Description Pedro Sampaio 2017-12-27 15:18:25 UTC

In Netwide Assembler (NASM) 2.14rc0, there is a "SEGV on unknown address" that will cause a denial of service attack, because asm/preproc.c mishandles macro calls that have the wrong number of arguments.

Upstream bug:

https://bugzilla.nasm.us/show_bug.cgi?id=3392431

Upstream patch:

http://repo.or.cz/nasm.git/commit/59ce1c67b16967c652765e62aa130b7e43f21dd4

Comment 1 Pedro Sampaio 2017-12-27 17:02:03 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1529336]