Bug 1964427 (CVE-2021-3565)
| Summary: | CVE-2021-3565 tpm2-tools: fixed AES wrapping key in tpm2_import | ||
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| Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | bhu, core-kernel-mgr, fmartine, jsnitsel, pbrobinson, yunying.sun |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | tpm2-tools 5.1.1, tpm2-tools 4.3.2 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in tpm2-tools. 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.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-11-10 00:22:26 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: | 1964428, 1964429, 1965981, 1965982 | ||
| Bug Blocks: | 1964113, 1964430 | ||
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Description
Guilherme de Almeida Suckevicz
2021-05-25 13:26:14 UTC
Created tpm2-tools tracking bugs for this issue: Affects: epel-7 [bug 1964429] Affects: fedora-all [bug 1964428] Upstream issue: https://github.com/tpm2-software/tpm2-tools/issues/2738 Upstream commit: https://github.com/tpm2-software/tpm2-tools/commit/c069e4f179d5e6653a84fb236816c375dca82515 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:4413 https://access.redhat.com/errata/RHSA-2021:4413 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-3565 |