Bug 2035087 (CVE-2021-45257)

Summary:	CVE-2021-45257 nasm: Infinite loop via the paste_tokens function
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:	dominik, java-sig-commits, mizdebsk, nickc, pbonzini
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An infinite loop flaw was found in nasm's preproc.c via paste_tokens() function. An attacker with local network access could pass a specially crafted unknown input causing an application to halt or crash leading to a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-01-11 12:23:10 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:	2035088, 2038121, 2038122
Bug Blocks:	2035091

Description Pedro Sampaio 2021-12-22 20:33:32 UTC

An infinite loop vulnerability exists in nasm 2.16rc0 via the gpaste_tokens function.

References:

https://bugzilla.nasm.us/show_bug.cgi?id=3392790

Comment 1 Pedro Sampaio 2021-12-22 20:33:46 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 2035088]