Bug 1960717 (CVE-2021-3549)

Summary:	CVE-2021-3549 binutils: heap-based buffer overflow in avr_elf32_load_records_from_section() via large section parameter
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, 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:	An Out of Bounds flaw was found in GNU binutils objdump utility. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-05-19 08:33:33 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:	1960718, 1960719
Bug Blocks:	1955705, 1960726

Description Guilherme de Almeida Suckevicz 2021-05-14 16:48:52 UTC

A flaw was discovered in objdump as distributed in GNU Binutils version 2.36. A large section parameter can be passed to avr_elf32_load_records_from_section() leading to DoS and memory corruption.

Reference:
https://sourceware.org/bugzilla/show_bug.cgi?id=27294

Upstream patch:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1cfcf3004e1830f8fe9112cfcd15285508d2c2b7

Comment 1 Guilherme de Almeida Suckevicz 2021-05-14 16:49:22 UTC

Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 1960718]


Created mingw-binutils tracking bugs for this issue:

Affects: fedora-all [bug 1960719]

Comment 4 Product Security DevOps Team 2021-05-19 08:33:33 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-2021-3549