Bug 2037308 (CVE-2021-45450)

Summary:	CVE-2021-45450 mbedtls: policy bypass or oracle-based decryption
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
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 2.28.0, mbedtls 3.1.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-01-05 13:10:57 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:	2037309, 2037310
Bug Blocks:

Description Marian Rehak 2022-01-05 12:21:49 UTC

psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

Reference:

https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0
https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0

Comment 1 Marian Rehak 2022-01-05 12:23:24 UTC

Created mbedtls tracking bugs for this issue:

Affects: epel-all [bug 2037310]
Affects: fedora-all [bug 2037309]

Comment 2 Product Security DevOps Team 2022-01-05 13:10:55 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.