Bug 2037317 (CVE-2021-45451) - CVE-2021-45451 mbedtls: policy bypass/oracle-based decryption in psa_aead_generate_nonce
Summary: CVE-2021-45451 mbedtls: policy bypass/oracle-based decryption in psa_aead_gen...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-45451
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: 2037320 2037321
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-05 12:35 UTC by Marian Rehak
Modified: 2022-01-05 13:48 UTC (History)
2 users (show)

Fixed In Version: mbedtls 3.1.0
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Environment:
Last Closed: 2022-01-05 13:48:00 UTC
Embargoed:

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Description Marian Rehak 2022-01-05 12:35:32 UTC 
In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows 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
Comment 1 Marian Rehak 2022-01-05 12:42:35 UTC 
Created mbedtls tracking bugs for this issue:

Affects: epel-all [bug 2037321]
Affects: fedora-all [bug 2037320]
Comment 2 Product Security DevOps Team 2022-01-05 13:47:58 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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