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🐛 SSH Hardening #160

Merged
merged 1 commit into from
Jun 18, 2024
Merged

🐛 SSH Hardening #160

merged 1 commit into from
Jun 18, 2024

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lubedacht
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What is the purpose of this pull request/Why do we need it?

Cherry pick of #140 for release 0.2.1

**What is the purpose of this pull request/Why do we need it?**
Add tweaks for Diffie-Hellman key exchange, because of a CVE. See:
- https://nvd.nist.gov/vuln/detail/CVE-2002-20001
- https://dheatattack.gitlab.io/dheater/

And 4096 bit host keys are used to harden SSH security.

I used https://www.sshaudit.com/hardening_guides.html#ubuntu_22_04_lts
as a hardening guide.

**Description of changes:**
- Improve Diffie-Hellman key exchange
-  Use 4096 bit host keys. 

**Checklist:**
- [x] Includes
[emojis](https://github.com/kubernetes-sigs/kubebuilder-release-tools?tab=readme-ov-file#kubebuilder-project-versioning)
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sonarcloud bot commented Jun 18, 2024

Quality Gate Passed Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

@lubedacht lubedacht merged commit 5603447 into release-0.2 Jun 18, 2024
10 checks passed
@lubedacht lubedacht deleted the cherry-pick-140 branch June 18, 2024 14:38
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2 participants