CVE-2021-3907
High
Description
OctoRPKI does not escape a URI with a filename containing "..", this allows a repository to create a file, (ex. rsync://example.org/repo/../../etc/cron.daily/evil.roa), which would then be written to disk outside the base cache folder. This could allow for remote code execution on the host machine OctoRPKI is running on.
SeverityHigh
CVSS7.4
Exploit probability—
Product
Cloudflare Octorpki
PublishedNov 11, 2021
First seenNov 11, 2021
Weakness typeCWE-20Improper input validationCWE-22Path traversal
How to fix
Update
- cloudflare octorpki1.3.0 or later
- github.com/cloudflare/cfrpki1.4.3, 1.4.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cloudflare octorpki | v < 1.3.0 | 1.3.0 |
| debian debian_linux | 10.0, 11.0 | — |
| github.com/cloudflare/cfrpkiGo | v < 1.4.3, v < 1.4.4 | 1.4.3, 1.4.4 |
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