Bug 1758595 (CVE-2019-14561)

Summary:	CVE-2019-14561 edk2: improper input validation leads to memory corruption when loading PE sections
Product:	[Other] Security Response	Reporter:	Riccardo Schirone <rschiron>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	berrange, ddepaula, jferlan, kraxel, lersek, pbonzini, philmd, security-response-team, virt-maint
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2021-10-25 22:12:11 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1892355
Bug Blocks:	1801279

Description Riccardo Schirone 2019-10-04 14:57:23 UTC

Function PeCoffLoaderLoadImage() in library MdePkg/BasePeCoffLib does not properly compute the End address of PE sections, allowing the End address to be before the Base one. A malicious PE could be used to corrupt the memory during the boot process, by using a VirtualSize equals to 0.