Vulnerability in Tpm2-Tools Project
CVE-2021-3565
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.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Tpm2-Tools Project
- Fedoraproject Fedora — versions 33, 34
- Red Hat Enterprise Linux — versions 8.0
- Tpm2-Tools — versions tpm2-tools 5.1.1, tpm2-tools 4.3.2
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-3565?
- CVE-2021-3565 is a medium-severity vulnerability in Tpm2-Tools Project, classified under Improper Initialization. CVSS score: 5.9/10. Published 2021-06-04.
- How severe is CVE-2021-3565?
- Medium severity. CVSS v3 base score is 5.9 out of 10.