Auth bypass in Phil Schwartz Denyhosts
CVE-2013-6890
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.
Vulnerability class: Broken Authentication
EPSS: 0.089 (94.7th percentile) — read the EPSS interpretation.
Affected products
- Phil_schwartz Denyhosts — versions 2.6
- Debian Debian_linux — versions 6.0, 7.0, 7.1
- Fedoraproject Fedora
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)