Bug 1174246 – VUL-0: CVE-2019-14560: ovmf: improper check of GetEfiGlobalVariable2() return can potentially lead to to secure boot bypass

Bug 1174246 - (CVE-2019-14560) VUL-0: CVE-2019-14560: ovmf: improper check of GetEfiGlobalVariable2() return can potentially lead to to secure boot bypass

(CVE-2019-14560)
Summary:	VUL-0: CVE-2019-14560: ovmf: improper check of GetEfiGlobalVariable2() return...

Status:	NEW

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P3 - Medium Severity: Normal
Target Milestone:	---
Assigned To:	Joey Lee
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/263900/
Whiteboard:	CVSSv3.1:SUSE:CVE-2019-14560:6.1:(AV:...
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Reported:	2020-07-17 12:36 UTC by Alexandros Toptsoglou
Modified:	2023-03-23 09:39 UTC (History)
CC List:	6 users (show)

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Found By:	Security Response Team
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Marketing QA Status:	---
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Description Alexandros Toptsoglou 2020-07-17 12:36:53 UTC

CVE-2019-14560

A flaw was found in edk2. Function GetEfiGlobalVariable2() return value is not checked possibly leading to secure boot bypass if an attacker
can cause the API to fail.

References:

https://bugzilla.tianocore.org/show_bug.cgi?id=2167

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1858038
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-14560
https://access.redhat.com/security/cve/CVE-2019-14560

Comment 1 Alexandros Toptsoglou 2020-07-17 12:39:10 UTC

Tracked as affected all codestreams that are: 

SLE12-SP2,SP3,SP4 
SLE15 and SLE15-SP2

Comment 2 Gary Ching-Pang Lin 2020-08-05 06:35:57 UTC

Although a patch was proposed in edk2 upstream bugzilla, but the developer never sent the patch for review so there is no fix merged into edk2 git now...