Bug 1652041 (CVE-2018-19215)

Summary:	CVE-2018-19215 nasm: heap-based buffer over-read in do_directive in asm/preproc.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dominik, java-sig-commits, mizdebsk, nickc, scorneli
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:	2021-10-25 22:20:31 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:	1652042, 1652948, 1652949
Bug Blocks:	1652048

Description Laura Pardo 2018-11-21 13:12:00 UTC

A flaw was found in Netwide Assembler (NASM) 2.14rc16. A heap-based buffer over-read in do_directive in asm/preproc.c for the special cases of the % and $ and ! characters. 


References:
https://bugzilla.nasm.us/show_bug.cgi?id=3392525 

Upstream Patch:
https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4f

Comment 1 Laura Pardo 2018-11-21 13:12:23 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 1652042]

Comment 3 Stefan Cornelius 2018-11-23 14:15:58 UTC

Statement:

This issue affects the versions of nasm as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.