denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade app-admin/denyhosts. | Oct 30, 2017 | Dec 23, 2013 |
| Ubuntu | — | Upgrade denyhosts | Nov 19, 2024 | Dec 23, 2013 |
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