| modules: |
| - module: github.com/google/go-tpm |
| versions: |
| - fixed: 0.3.0 |
| packages: |
| - package: github.com/google/go-tpm/tpm |
| symbols: |
| - CreateWrapKey |
| description: | |
| Due to repeated usage of a XOR key an attacker that can eavesdrop on the TPM 1.2 transport |
| is able to calculate usageAuth for keys created using CreateWrapKey, despite it being encrypted, |
| allowing them to use the created key. |
| published: 2021-04-14T20:04:52Z |
| cves: |
| - CVE-2020-8918 |
| ghsas: |
| - GHSA-5x29-3hr9-6wpw |
| credit: Chris Fenner |
| references: |
| - fix: https://github.com/google/go-tpm/pull/195 |
| - fix: https://github.com/google/go-tpm/commit/d7806cce857a1a020190c03348e5361725d8f141 |
