CVE-2021-3565: Infoleak
First published: Tue May 25 2021(Updated: )
A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/tpm2-tools | <5.1.1 | 5.1.1 |
| redhat/tpm2-tools | <4.3.2 | 4.3.2 |
| Array-tools | <4.3.2 | |
| Array-tools | >=5.1<5.1.1 | |
| Red Hat Enterprise Linux | =8.0 | |
| Fedora | =33 | |
| Fedora | =34 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1964427
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1964429
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1964428
- https://github.com/tpm2-software/tpm2-tools/issues/2738
- https://github.com/tpm2-software/tpm2-tools/commit/c069e4f179d5e6653a84fb236816c375dca82515
- https://access.redhat.com/errata/RHSA-2021:4413
- https://access.redhat.com/security/cve/cve-2021-3565
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