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.

🔗 References (8)

• cve@mitrehttp://seclists.org/oss-sec/2013/q4/535
• cve@mitrehttp://secunia.com/advisories/56239
• cve@mitrehttp://www.debian.org/security/2013/dsa-2826
• cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=1045982
• af854a3a-2127-422b-91ae-364da2661108http://seclists.org/oss-sec/2013/q4/535
• af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/56239
• af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2826
• af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1045982