Bug 1851867 (CVE-2020-10941)

Summary:	CVE-2020-10941 mbedtls: cache attack against RSA key import in SGX
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ms, redhat-bugzilla
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mbedtls 2.21.0, mbedtls 2.16.5,mbedtls 2.7.14	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-06-29 11:20:29 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:	1851868, 1851869
Bug Blocks:

Description msiddiqu 2020-06-29 09:50:16 UTC

Arm Mbed TLS before 2.6.15 allows attackers to obtain sensitive information (an RSA private key) by measuring cache usage during an import.

References:

https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-02

Comment 1 msiddiqu 2020-06-29 09:50:57 UTC

Created mbedtls tracking bugs for this issue:

Affects: epel-all [bug 1851869]
Affects: fedora-all [bug 1851868]

Comment 2 Product Security DevOps Team 2020-06-29 11:20:29 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.