Bug 1956423 (CVE-2021-3530)

Summary:	CVE-2021-3530 binutils: stack memory exhaustion in demangle_path() in rust-demangle.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	adscvr, ailan, aoliva, dvlasenk, elima, erik-fedora, fidencio, fweimer, gkamathe, jakub, kaycoth, klember, ktietz, manisandro, marcandre.lureau, mcermak, mnewsome, mpolacek, mprchlik, nickc, ohudlick, rjones, sipoyare, virt-maint, vmugicag
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-05-04 10:46:55 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:	1956424, 1956425
Bug Blocks:	1954144, 1956426, 1977814, 1982323

Description Guilherme de Almeida Suckevicz 2021-05-03 16:33:05 UTC

A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.


Reference:
https://bugs.launchpad.net/ubuntu/+source/binutils/+bug/1925348

Comment 1 Guilherme de Almeida Suckevicz 2021-05-03 16:33:34 UTC

Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 1956424]


Created mingw-binutils tracking bugs for this issue:

Affects: fedora-all [bug 1956425]

Comment 3 Product Security DevOps Team 2021-05-04 10:46:55 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-3530

Comment 5 Guilherme de Almeida Suckevicz 2021-05-12 14:08:25 UTC

Acknowledgments:

Name: chengxianglin

Comment 6 Todd Cullum 2021-07-21 18:34:50 UTC

*** Bug 1982320 has been marked as a duplicate of this bug. ***