Bug 2037308 (CVE-2021-45450) - CVE-2021-45450 mbedtls: policy bypass or oracle-based decryption
Summary: CVE-2021-45450 mbedtls: policy bypass or oracle-based decryption
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-45450
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2037309 2037310
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-05 12:21 UTC by Marian Rehak
Modified: 2022-01-05 13:10 UTC (History)
2 users (show)

Fixed In Version: mbedtls 2.28.0, mbedtls 3.1.0
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Clone Of:
Environment:
Last Closed: 2022-01-05 13:10:57 UTC
Embargoed:

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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.
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