Bug 1670704 (CVE-2019-7147)

Summary:	CVE-2019-7147 nasm: Buffer over-read in function crc64ib in crc64.c resulting in denial of service
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dominik, 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 10:46:46 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:	1670705
Bug Blocks:	1670706

Description Dhananjay Arunesh 2019-01-30 08:26:19 UTC

A buffer over-read exists in the function crc64ib in crc64.c in nasmlib in Netwide Assembler (NASM) 2.14rc16. A crafted asm input can cause segmentation faults, leading to denial-of-service.

References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392544

Comment 1 Dhananjay Arunesh 2019-01-30 08:26:32 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1670705]

Comment 3 Stefan Cornelius 2019-03-29 14:30:48 UTC

Statement:

This issue did not affect the versions of nasm as shipped with Red Hat Enterprise Linux 5, 6, and 7.