Bug 2155396 (CVE-2022-46393)

Summary:	CVE-2022-46393 mbedtls: heap buffer overread and overwrite in DTLS
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mbedtls 2.28.2, mbedtls 3.3.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-21 23:18:33 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:	2155397, 2155398
Bug Blocks:

Description TEJ RATHI 2022-12-21 05:46:21 UTC

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX.

https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2
https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/

Comment 1 TEJ RATHI 2022-12-21 05:47:08 UTC

Created mbedtls tracking bugs for this issue:

Affects: epel-all [bug 2155398]
Affects: fedora-all [bug 2155397]

Comment 2 Product Security DevOps Team 2022-12-21 23:18:31 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.