CVE-2007-5715 DenyHosts 2.6 processes OpenSSH sshd "not listed in AllowUsers" log messages with an incorrect regular expression that does not match an IP address, which might allow remote attackers to avoid detecti...
MediumCVSS 4.3
EPSS 1.1%
- Published
- Updated
- Exploit status
- No public exploit known
Description
DenyHosts 2.6 processes OpenSSH sshd "not listed in AllowUsers" log messages with an incorrect regular expression that does not match an IP address, which might allow remote attackers to avoid detection and blocking when making invalid login attempts with a username not present in AllowUsers, as demonstrated by the root username, a different vulnerability than CVE-2007-4323.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| denyhosts | = 2.6 | No fix listed |
References
- bugs.gentoo.org
- 45298 vdb-entry
- bugzilla.redhat.com