hfaxd in HylaFAX before 4.2.1, when installed with a "weak" hosts.hfaxd file, allows remote attackers to authenticate and bypass intended access restrictions via a crafted (1) username or (2) hostname that satisfies a regular expression that is matched against a hosts.hfaxd entry without a password.
CVSS Details
- CVSS 3.1 Base Score: 9.1
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade hylafax | Jul 30, 2024 | Dec 31, 2004 |
| Freebsd | — | Upgrade hylafax | Dec 10, 2025 | Jan 11, 2005 |
| Gentoo Linux | — | Upgrade net-misc/hylafax. | Oct 30, 2017 | Dec 31, 2004 |
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